Publication Information

{'id': 'https://openalex.org/W2158493769', 'doi': 'https://doi.org/10.1186/1471-2393-12-37', 'title': 'Erratum to: Pessaries in multiple pregnancy as a prevention of preterm birth: the ProTwin Trial', 'display_name': 'Erratum to: Pessaries in multiple pregnancy as a prevention of preterm birth: the ProTwin Trial', 'publication_year': 2012, 'publication_date': '2012-05-23', 'ids': {'openalex': 'https://openalex.org/W2158493769', 'doi': 'https://doi.org/10.1186/1471-2393-12-37', 'mag': '2158493769', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/3437211'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1186/1471-2393-12-37', 'pdf_url': 'https://bmcpregnancychildbirth.biomedcentral.com/counter/pdf/10.1186/1471-2393-12-37', 'source': {'id': 'https://openalex.org/S123732490', 'display_name': 'BMC Pregnancy and Childbirth', 'issn_l': '1471-2393', 'issn': ['1471-2393'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320256', 'host_organization_name': 'BioMed Central', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310320256'], 'host_organization_lineage_names': ['Springer Nature', 'BioMed Central'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'erratum', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://bmcpregnancychildbirth.biomedcentral.com/counter/pdf/10.1186/1471-2393-12-37', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5057631702', 'display_name': 'Sophie Liem', 'orcid': 'https://orcid.org/0000-0002-3214-2076'}, 'institutions': [{'id': 'https://openalex.org/I4210105568', 'display_name': 'OLVG', 'ror': 'https://ror.org/01d02sf11', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210105568']}, {'id': 'https://openalex.org/I2802928900', 'display_name': 'Academic Medical Center', 'ror': 'https://ror.org/03t4gr691', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802928900', 'https://openalex.org/I4210151833']}], 'countries': ['NL'], 'is_corresponding': True, 'raw_author_name': 'Sophie MS Liem', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands', 'Department of Obstetrics and Gynaecology, Onze Lieve Vrouwe Gasthuis Amsterdam, Amsterdam, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Onze Lieve Vrouwe Gasthuis Amsterdam, Amsterdam, The Netherlands', 'institution_ids': ['https://openalex.org/I4210105568']}, {'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands', 'institution_ids': ['https://openalex.org/I2802928900']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5021110557', 'display_name': 'D.J. Bekedam', 'orcid': 'https://orcid.org/0000-0003-3470-9344'}, 'institutions': [{'id': 'https://openalex.org/I4210105568', 'display_name': 'OLVG', 'ror': 'https://ror.org/01d02sf11', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210105568']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Dick J Bekedam', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Onze Lieve Vrouwe Gasthuis Amsterdam, Amsterdam, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Onze Lieve Vrouwe Gasthuis Amsterdam, Amsterdam, The Netherlands', 'institution_ids': ['https://openalex.org/I4210105568']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5091610751', 'display_name': 'Kitty W.M. Bloemenkamp', 'orcid': 'https://orcid.org/0000-0002-1377-4625'}, 'institutions': [{'id': 'https://openalex.org/I2800006345', 'display_name': 'Leiden University Medical Center', 'ror': 'https://ror.org/05xvt9f17', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2800006345']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Kitty WM Bloemenkamp', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Leiden University Medical Center, Leiden, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Leiden University Medical Center, Leiden, The Netherlands', 'institution_ids': ['https://openalex.org/I2800006345']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5042685661', 'display_name': 'Anneke Kwee', 'orcid': 'https://orcid.org/0000-0002-5873-7246'}, 'institutions': [{'id': 'https://openalex.org/I3018483916', 'display_name': 'University Medical Center Utrecht', 'ror': 'https://ror.org/0575yy874', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I3018483916']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Anneke Kwee', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, University Medical Centre, Utrecht, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, University Medical Centre, Utrecht, The Netherlands', 'institution_ids': ['https://openalex.org/I3018483916']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5104929400', 'display_name': 'Dimitri N.M. Papatsonis', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210105981', 'display_name': 'Amphia Ziekenhuis', 'ror': 'https://ror.org/01g21pa45', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210105981']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Dimitri NM Papatsonis', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, AMPHIA hospital, Breda, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, AMPHIA hospital, Breda, The Netherlands', 'institution_ids': ['https://openalex.org/I4210105981']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5055039618', 'display_name': 'Joris van der Post', 'orcid': 'https://orcid.org/0000-0003-3311-2116'}, 'institutions': [{'id': 'https://openalex.org/I2802928900', 'display_name': 'Academic Medical Center', 'ror': 'https://ror.org/03t4gr691', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802928900', 'https://openalex.org/I4210151833']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Joris AM van der Post', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands', 'institution_ids': ['https://openalex.org/I2802928900']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5041120598', 'display_name': 'Arianne Lim', 'orcid': 'https://orcid.org/0000-0002-5688-965X'}, 'institutions': [{'id': 'https://openalex.org/I2802928900', 'display_name': 'Academic Medical Center', 'ror': 'https://ror.org/03t4gr691', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802928900', 'https://openalex.org/I4210151833']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Arianne C Lim', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands', 'institution_ids': ['https://openalex.org/I2802928900']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5091618139', 'display_name': 'Hubertina Scheepers', 'orcid': 'https://orcid.org/0000-0001-9215-5795'}, 'institutions': [{'id': 'https://openalex.org/I2800191616', 'display_name': 'Maastricht University Medical Centre', 'ror': 'https://ror.org/02d9ce178', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2800191616']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Hubertina CJ Scheepers', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Academic Hospital Maastricht, Maastricht, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Academic Hospital Maastricht, Maastricht, The Netherlands', 'institution_ids': ['https://openalex.org/I2800191616']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5090875096', 'display_name': 'Christine Willekes', 'orcid': 'https://orcid.org/0000-0001-8253-7001'}, 'institutions': [{'id': 'https://openalex.org/I2800191616', 'display_name': 'Maastricht University Medical Centre', 'ror': 'https://ror.org/02d9ce178', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2800191616']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Christine Willekes', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Academic Hospital Maastricht, Maastricht, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Academic Hospital Maastricht, Maastricht, The Netherlands', 'institution_ids': ['https://openalex.org/I2800191616']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5028799895', 'display_name': 'Johannes J. Duvekot', 'orcid': 'https://orcid.org/0000-0003-3191-9362'}, 'institutions': [{'id': 'https://openalex.org/I2801952686', 'display_name': 'Erasmus MC', 'ror': 'https://ror.org/018906e22', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2801952686']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Johannes J Duvekot', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Erasmus Medical Center Rotterdam, Rotterdam, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Erasmus Medical Center Rotterdam, Rotterdam, The Netherlands', 'institution_ids': ['https://openalex.org/I2801952686']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5112904049', 'display_name': 'Marc Spaanderman', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I145872427', 'display_name': 'Radboud University Nijmegen', 'ror': 'https://ror.org/016xsfp80', 'country_code': 'NL', 'type': 'education', 'lineage': ['https://openalex.org/I145872427']}, {'id': 'https://openalex.org/I2802934949', 'display_name': 'Radboud University Medical Center', 'ror': 'https://ror.org/05wg1m734', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802934949']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Marc Spaanderman', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, University Medical Center St Radboud Nijmegen, Nijmegen, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, University Medical Center St Radboud Nijmegen, Nijmegen, The Netherlands', 'institution_ids': ['https://openalex.org/I145872427', 'https://openalex.org/I2802934949']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5109145940', 'display_name': 'Martina Porath', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210126394', 'display_name': 'Máxima Medisch Centrum', 'ror': 'https://ror.org/02x6rcb77', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210126394']}, {'id': 'https://openalex.org/I145872427', 'display_name': 'Radboud University Nijmegen', 'ror': 'https://ror.org/016xsfp80', 'country_code': 'NL', 'type': 'education', 'lineage': ['https://openalex.org/I145872427']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Martina Porath', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Máxima Medical Center Veldhoven, Veldhoven, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Máxima Medical Center Veldhoven, Veldhoven, The Netherlands', 'institution_ids': ['https://openalex.org/I4210126394', 'https://openalex.org/I145872427']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5085674722', 'display_name': 'Jim van Eyck', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210146510', 'display_name': 'Isala', 'ror': 'https://ror.org/046a2wj10', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210146510']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Jim van Eyck', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Isala Hospital, Zwolle, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Isala Hospital, Zwolle, The Netherlands', 'institution_ids': ['https://openalex.org/I4210146510']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5021966221', 'display_name': 'Monique C. Haak', 'orcid': 'https://orcid.org/0000-0002-0443-1997'}, 'institutions': [{'id': 'https://openalex.org/I911458345', 'display_name': 'Amsterdam UMC Location VUmc', 'ror': 'https://ror.org/00q6h8f30', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210151833', 'https://openalex.org/I911458345']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Monique C Haak', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, VU Medical Center Amsterdam, Amsterdam, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, VU Medical Center Amsterdam, Amsterdam, The Netherlands', 'institution_ids': ['https://openalex.org/I911458345']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5086871511', 'display_name': 'Maria G. van Pampus', 'orcid': 'https://orcid.org/0000-0002-3020-8908'}, 'institutions': [{'id': 'https://openalex.org/I1334415907', 'display_name': 'University Medical Center Groningen', 'ror': 'https://ror.org/03cv38k47', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1334415907']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Marielle G van Pampus', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, University Medical Center Groningen, Groningen, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, University Medical Center Groningen, Groningen, The Netherlands', 'institution_ids': ['https://openalex.org/I1334415907']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5044856248', 'display_name': 'Hein W. Bruinse', 'orcid': 'https://orcid.org/0000-0002-9118-1577'}, 'institutions': [{'id': 'https://openalex.org/I3018483916', 'display_name': 'University Medical Center Utrecht', 'ror': 'https://ror.org/0575yy874', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I3018483916']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Hein W Bruinse', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, University Medical Centre, Utrecht, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, University Medical Centre, Utrecht, The Netherlands', 'institution_ids': ['https://openalex.org/I3018483916']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5090795384', 'display_name': 'Ben W. Mol', 'orcid': 'https://orcid.org/0000-0001-8337-550X'}, 'institutions': [{'id': 'https://openalex.org/I2802928900', 'display_name': 'Academic Medical Center', 'ror': 'https://ror.org/03t4gr691', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802928900', 'https://openalex.org/I4210151833']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Ben Willem J Mol', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands', 'institution_ids': ['https://openalex.org/I2802928900']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5011695881', 'display_name': 'Maud A Hegeman', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210105568', 'display_name': 'OLVG', 'ror': 'https://ror.org/01d02sf11', 'country_code': 'NL', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210105568']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Maud A Hegeman', 'raw_affiliation_strings': ['Department of Obstetrics and Gynaecology, Onze Lieve Vrouwe Gasthuis Amsterdam, Amsterdam, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Department of Obstetrics and Gynaecology, Onze Lieve Vrouwe Gasthuis Amsterdam, Amsterdam, The Netherlands', 'institution_ids': ['https://openalex.org/I4210105568']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 13, 'corresponding_author_ids': ['https://openalex.org/A5057631702'], 'corresponding_institution_ids': ['https://openalex.org/I4210105568', 'https://openalex.org/I2802928900'], 'apc_list': {'value': 1690, 'currency': 'GBP', 'value_usd': 2072, 'provenance': 'doaj'}, 'apc_paid': {'value': 1690, 'currency': 'GBP', 'value_usd': 2072, 'provenance': 'doaj'}, 'fwci': None, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 6, 'citation_normalized_percentile': {'value': 0.818182, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 81, 'max': 82}, 'biblio': {'volume': '12', 'issue': '1', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11732', 'display_name': 'Assisted Reproductive Technology and Twin Pregnancy', 'score': 0.9703, 'subfield': {'id': 'https://openalex.org/subfields/2735', 'display_name': 'Pediatrics, Perinatology and Child Health'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11732', 'display_name': 'Assisted Reproductive Technology and Twin Pregnancy', 'score': 0.9703, 'subfield': {'id': 'https://openalex.org/subfields/2735', 'display_name': 'Pediatrics, Perinatology and Child Health'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.8736111}, {'id': 'https://openalex.org/C2776210078', 'wikidata': 'https://www.wikidata.org/wiki/Q351870', 'display_name': 'Reproductive medicine', 'level': 3, 'score': 0.80052257}, {'id': 'https://openalex.org/C131872663', 'wikidata': 'https://www.wikidata.org/wiki/Q5284418', 'display_name': 'Obstetrics', 'level': 1, 'score': 0.6595673}, {'id': 'https://openalex.org/C2779703513', 'wikidata': 'https://www.wikidata.org/wiki/Q34581', 'display_name': 'Childbirth', 'level': 3, 'score': 0.60549265}, {'id': 'https://openalex.org/C2779234561', 'wikidata': 'https://www.wikidata.org/wiki/Q11995', 'display_name': 'Pregnancy', 'level': 2, 'score': 0.5612728}, {'id': 'https://openalex.org/C148220186', 'wikidata': 'https://www.wikidata.org/wiki/Q7111912', 'display_name': 'Outcome (game theory)', 'level': 2, 'score': 0.49462196}, {'id': 'https://openalex.org/C168563851', 'wikidata': 'https://www.wikidata.org/wiki/Q1436668', 'display_name': 'Randomized controlled trial', 'level': 2, 'score': 0.47825992}, {'id': 'https://openalex.org/C2780665704', 'wikidata': 'https://www.wikidata.org/wiki/Q959298', 'display_name': 'Intervention (counseling)', 'level': 2, 'score': 0.41948146}, {'id': 'https://openalex.org/C129848803', 'wikidata': 'https://www.wikidata.org/wiki/Q2564360', 'display_name': 'Sample size determination', 'level': 2, 'score': 0.41731626}, {'id': 'https://openalex.org/C29456083', 'wikidata': 'https://www.wikidata.org/wiki/Q1221899', 'display_name': 'Gynecology', 'level': 1, 'score': 0.39509544}, {'id': 'https://openalex.org/C159110408', 'wikidata': 'https://www.wikidata.org/wiki/Q121176', 'display_name': 'Nursing', 'level': 1, 'score': 0.10043645}, {'id': 'https://openalex.org/C141071460', 'wikidata': 'https://www.wikidata.org/wiki/Q40821', 'display_name': 'Surgery', 'level': 1, 'score': 0.08306411}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C144237770', 'wikidata': 'https://www.wikidata.org/wiki/Q747534', 'display_name': 'Mathematical economics', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1186/1471-2393-12-37', 'pdf_url': 'https://bmcpregnancychildbirth.biomedcentral.com/counter/pdf/10.1186/1471-2393-12-37', 'source': {'id': 'https://openalex.org/S123732490', 'display_name': 'BMC Pregnancy and Childbirth', 'issn_l': '1471-2393', 'issn': ['1471-2393'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320256', 'host_organization_name': 'BioMed Central', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310320256'], 'host_organization_lineage_names': ['Springer Nature', 'BioMed Central'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3437211', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764455111', 'display_name': 'PubMed Central', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1186/1471-2393-12-37', 'pdf_url': 'https://bmcpregnancychildbirth.biomedcentral.com/counter/pdf/10.1186/1471-2393-12-37', 'source': {'id': 'https://openalex.org/S123732490', 'display_name': 'BMC Pregnancy and Childbirth', 'issn_l': '1471-2393', 'issn': ['1471-2393'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320256', 'host_organization_name': 'BioMed Central', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310320256'], 'host_organization_lineage_names': ['Springer Nature', 'BioMed Central'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'score': 0.85, 'id': 'https://metadata.un.org/sdg/3', 'display_name': 'Good health and well-being'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 1, 'referenced_works': ['https://openalex.org/W2168265693'], 'related_works': ['https://openalex.org/W4321360934', 'https://openalex.org/W4309379087', 'https://openalex.org/W4200191411', 'https://openalex.org/W33250893', 'https://openalex.org/W3124404923', 'https://openalex.org/W2978999882', 'https://openalex.org/W2766102501', 'https://openalex.org/W2591046526', 'https://openalex.org/W2565050851', 'https://openalex.org/W2141953366'], 'abstract_inverted_index': {'The': [0, 97], 'initial': [1], 'sample': [2, 98], 'size': [3, 99], 'calculation': [4], 'in': [5, 26, 43, 91], 'our': [6], 'protocol': [7], '(Hegeman': [8], 'et': [9], 'al,': [10], 'BMC': [11], 'Pregnancy': [12], 'Childbirth,': [13], '2009,': [14], '9:44)': [15], 'was': [16, 75], 'based': [17, 102], 'on': [18, 62, 69, 103], 'the': [19, 27, 38, 41, 58, 63, 70, 82, 87, 104], 'expected': [20], 'proportion': [21], 'of': [22, 55, 86], "'bad": [23, 107], 'neonatal': [24, 108], "outcome'": [25], 'intervention': [28, 59], 'group': [29, 33], '(3.9%)': [30], 'and': [31, 35, 79], 'control': [32], '(7.2%)': [34], 'accounts': [36], 'for': [37], 'fact': [39], 'that': [40], 'outcomes': [42], 'children': [44], 'form': [45], 'multiple': [46], 'pregnancies': [47], 'are': [48], 'non-independent': [49], 'using': [50], 'an': [51], 'intra': [52], 'class': [53], 'correlation': [54], '0.6.': [56], 'As': [57], 'is': [60, 100], 'performed': [61], 'mother,': [64], 'analysis': [65], 'should': [66], 'be': [67], 'done': [68], 'maternal': [71], 'level.': [72], 'This': [73], 'adjustment': [74], 'made': [76], 'during': [77], 'recruitment': [78], 'approved': [80], 'by': [81], 'medical': [83], 'ethics': [84], 'committee': [85], 'Academic': [88], 'Medical': [89], 'Centre': [90], 'Amsterdam': [92], '(ref.': [93], 'No.': [94], 'MEC': [95], '09/107).': [96], 'calculated': [101], 'primary': [105], 'outcome': [106], "outcome'.": [109]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2158493769', 'counts_by_year': [{'year': 2014, 'cited_by_count': 2}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-12-10T03:29:13.314135', 'created_date': '2016-06-24'}