Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2438511226', 'doi': None, 'title': '[Uterine contraction. (2) The mechanism of uterine contraction].', 'display_name': '[Uterine contraction. (2) The mechanism of uterine contraction].', 'publication_year': 1974, 'publication_date': '1974-09-01', 'ids': {'openalex': 'https://openalex.org/W2438511226', 'mag': '2438511226', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/4477286'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/4477286', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, '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': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5102832156', 'display_name': 'Kenichi Kato', 'orcid': 'https://orcid.org/0000-0002-6977-8289'}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'Kato K', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5102832156'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, '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': 57}, 'biblio': {'volume': '10', 'issue': '3', 'first_page': '144', 'last_page': '6'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10549', 'display_name': 'Neonatal Respiratory Health Research', 'score': 0.0775, '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/T10549', 'display_name': 'Neonatal Respiratory Health Research', 'score': 0.0775, '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'}}, {'id': 'https://openalex.org/T10979', 'display_name': 'Breastfeeding Practices and Influences', 'score': 0.0766, 'subfield': {'id': 'https://openalex.org/subfields/2713', 'display_name': 'Epidemiology'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T12230', 'display_name': 'Cardiovascular Issues in Pregnancy', 'score': 0.0709, 'subfield': {'id': 'https://openalex.org/subfields/2705', 'display_name': 'Cardiology and Cardiovascular 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/uterine-contraction', 'display_name': 'Uterine contraction', 'score': 0.7650241}], 'concepts': [{'id': 'https://openalex.org/C2776766599', 'wikidata': 'https://www.wikidata.org/wiki/Q1751296', 'display_name': 'Uterine contraction', 'level': 3, 'score': 0.7650241}, {'id': 'https://openalex.org/C163415756', 'wikidata': 'https://www.wikidata.org/wiki/Q126473', 'display_name': 'Contraction (grammar)', 'level': 2, 'score': 0.7622105}, {'id': 'https://openalex.org/C2776050358', 'wikidata': 'https://www.wikidata.org/wiki/Q127006', 'display_name': 'Muscle contraction', 'level': 2, 'score': 0.44640517}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.40636933}, {'id': 'https://openalex.org/C2779066055', 'wikidata': 'https://www.wikidata.org/wiki/Q9612', 'display_name': 'Uterus', 'level': 2, 'score': 0.29252052}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.23437089}], 'mesh': [{'descriptor_ui': 'D014599', 'descriptor_name': 'Uterus', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': True}, {'descriptor_ui': 'D000818', 'descriptor_name': 'Animals', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002118', 'descriptor_name': 'Calcium', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002118', 'descriptor_name': 'Calcium', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009119', 'descriptor_name': 'Muscle Contraction', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009130', 'descriptor_name': 'Muscle, Smooth', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009130', 'descriptor_name': 'Muscle, Smooth', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}, {'descriptor_ui': 'D009130', 'descriptor_name': 'Muscle, Smooth', 'qualifier_ui': 'Q000648', 'qualifier_name': 'ultrastructure', 'is_major_topic': False}, {'descriptor_ui': 'D011247', 'descriptor_name': 'Pregnancy', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D051381', 'descriptor_name': 'Rats', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014599', 'descriptor_name': 'Uterus', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014599', 'descriptor_name': 'Uterus', 'qualifier_ui': 'Q000648', 'qualifier_name': 'ultrastructure', 'is_major_topic': False}, {'descriptor_ui': 'D014599', 'descriptor_name': 'Uterus', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/4477286', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, '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': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/2', 'display_name': 'Zero hunger', 'score': 0.41}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W2946282919', 'https://openalex.org/W2401264510', 'https://openalex.org/W2392050542', 'https://openalex.org/W2384750059', 'https://openalex.org/W2372687011', 'https://openalex.org/W2366594983', 'https://openalex.org/W2363144372', 'https://openalex.org/W2353580940', 'https://openalex.org/W2188991020', 'https://openalex.org/W2127890071'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2438511226', 'counts_by_year': [], 'updated_date': '2024-12-16T02:01:57.012255', 'created_date': '2016-06-24'}