Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2889529591', 'doi': 'https://doi.org/10.1093/eurheartj/ehy566.5071', 'title': '5071The monocentric, double-blind, placebo-controlled research of sildenafil impact in pediatric patients with secondary pulmonary hypertension', 'display_name': '5071The monocentric, double-blind, placebo-controlled research of sildenafil impact in pediatric patients with secondary pulmonary hypertension', 'publication_year': 2018, 'publication_date': '2018-08-01', 'ids': {'openalex': 'https://openalex.org/W2889529591', 'doi': 'https://doi.org/10.1093/eurheartj/ehy566.5071', 'mag': '2889529591'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1093/eurheartj/ehy566.5071', 'pdf_url': 'https://academic.oup.com/eurheartj/article-pdf/39/suppl_1/ehy566.5071/25572161/ehy566.5071.pdf', 'source': {'id': 'https://openalex.org/S181568219', 'display_name': 'European Heart Journal', 'issn_l': '0195-668X', 'issn': ['0195-668X', '1522-9645'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://academic.oup.com/eurheartj/article-pdf/39/suppl_1/ehy566.5071/25572161/ehy566.5071.pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5085030124', 'display_name': 'Ina Palii', 'orcid': None}, 'institutions': [], 'countries': ['MD'], 'is_corresponding': False, 'raw_author_name': 'I Palii', 'raw_affiliation_strings': ['Mother and Child Institute, Chisinau, Moldova Republic of'], 'affiliations': [{'raw_affiliation_string': 'Mother and Child Institute, Chisinau, Moldova Republic of', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5040111793', 'display_name': 'Eleonora Vataman', 'orcid': 'https://orcid.org/0000-0002-1091-4549'}, 'institutions': [], 'countries': ['MD'], 'is_corresponding': False, 'raw_author_name': 'E Vataman', 'raw_affiliation_strings': ['Institute of Cardiology, Chisinau, Moldova Republic of'], 'affiliations': [{'raw_affiliation_string': 'Institute of Cardiology, Chisinau, Moldova Republic of', 'institution_ids': []}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5053394301', 'display_name': 'M Vataman', 'orcid': None}, 'institutions': [], 'countries': ['MD'], 'is_corresponding': False, 'raw_author_name': 'M Vataman', 'raw_affiliation_strings': ['Institute of Cardiology, Chisinau, Moldova Republic of'], 'affiliations': [{'raw_affiliation_string': 'Institute of Cardiology, Chisinau, Moldova Republic of', 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 4238, 'currency': 'EUR', 'value_usd': 4570, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 63}, 'biblio': {'volume': '39', 'issue': 'suppl_1', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10728', 'display_name': 'Diagnosis and Treatment of Pulmonary Hypertension', 'score': 0.7612, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory Medicine'}, '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/T10728', 'display_name': 'Diagnosis and Treatment of Pulmonary Hypertension', 'score': 0.7612, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory Medicine'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/pulmonary-hypertension', 'display_name': 'Pulmonary Hypertension', 'score': 0.489396}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.9924031}, {'id': 'https://openalex.org/C2776768464', 'wikidata': 'https://www.wikidata.org/wiki/Q191521', 'display_name': 'Sildenafil', 'level': 2, 'score': 0.98297524}, {'id': 'https://openalex.org/C2780930700', 'wikidata': 'https://www.wikidata.org/wiki/Q1128595', 'display_name': 'Pulmonary hypertension', 'level': 2, 'score': 0.7221988}, {'id': 'https://openalex.org/C27081682', 'wikidata': 'https://www.wikidata.org/wiki/Q269829', 'display_name': 'Placebo', 'level': 3, 'score': 0.68988395}, {'id': 'https://openalex.org/C2991744798', 'wikidata': 'https://www.wikidata.org/wiki/Q608510', 'display_name': 'Double blind', 'level': 4, 'score': 0.44450897}, {'id': 'https://openalex.org/C164705383', 'wikidata': 'https://www.wikidata.org/wiki/Q10379', 'display_name': 'Cardiology', 'level': 1, 'score': 0.4187705}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.36961436}, {'id': 'https://openalex.org/C204787440', 'wikidata': 'https://www.wikidata.org/wiki/Q188504', 'display_name': 'Alternative medicine', 'level': 2, 'score': 0.06217879}, {'id': 'https://openalex.org/C142724271', 'wikidata': 'https://www.wikidata.org/wiki/Q7208', 'display_name': 'Pathology', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1093/eurheartj/ehy566.5071', 'pdf_url': 'https://academic.oup.com/eurheartj/article-pdf/39/suppl_1/ehy566.5071/25572161/ehy566.5071.pdf', 'source': {'id': 'https://openalex.org/S181568219', 'display_name': 'European Heart Journal', 'issn_l': '0195-668X', 'issn': ['0195-668X', '1522-9645'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], 'type': 'journal'}, '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/10.1093/eurheartj/ehy566.5071', 'pdf_url': 'https://academic.oup.com/eurheartj/article-pdf/39/suppl_1/ehy566.5071/25572161/ehy566.5071.pdf', 'source': {'id': 'https://openalex.org/S181568219', 'display_name': 'European Heart Journal', 'issn_l': '0195-668X', 'issn': ['0195-668X', '1522-9645'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'score': 0.42, 'id': 'https://metadata.un.org/sdg/3', 'display_name': 'Good health and well-being'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W2885152735', 'https://openalex.org/W2260765785', 'https://openalex.org/W2120941518', 'https://openalex.org/W2100755299', 'https://openalex.org/W2068613360', 'https://openalex.org/W2022921924', 'https://openalex.org/W2016646568', 'https://openalex.org/W2008435861', 'https://openalex.org/W1989128070', 'https://openalex.org/W1558132769'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2889529591', 'counts_by_year': [], 'updated_date': '2024-09-15T16:47:35.611528', 'created_date': '2018-09-07'}