Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1990157923', 'doi': 'https://doi.org/10.1097/00000658-198507000-00014', 'title': 'Volvulus of the Colon', 'display_name': 'Volvulus of the Colon', 'publication_year': 1985, 'publication_date': '1985-07-01', 'ids': {'openalex': 'https://openalex.org/W1990157923', 'doi': 'https://doi.org/10.1097/00000658-198507000-00014', 'mag': '1990157923', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/4015215', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/1250842'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1097/00000658-198507000-00014', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S157664895', 'display_name': 'Annals of Surgery', 'issn_l': '0003-4932', 'issn': ['0003-4932', '1528-1140'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315671', 'host_organization_name': 'Lippincott Williams & Wilkins', 'host_organization_lineage': ['https://openalex.org/P4310315671', 'https://openalex.org/P4310318547'], 'host_organization_lineage_names': ['Lippincott Williams & Wilkins', 'Wolters Kluwer'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1250842', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5030348449', 'display_name': 'Garth H. Ballantyne', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1330342723', 'display_name': 'Mayo Clinic', 'ror': 'https://ror.org/02qp3tb03', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1330342723']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'GARTH H. BALLANTYNE', 'raw_affiliation_strings': ['Section of Colon and Rectal Surgery and Department of Medical Statlstlcs and Epldemlology, Mayo Cllnlc and Mayo Foundation, Rochester, Minnesota Methods'], 'affiliations': [{'raw_affiliation_string': 'Section of Colon and Rectal Surgery and Department of Medical Statlstlcs and Epldemlology, Mayo Cllnlc and Mayo Foundation, Rochester, Minnesota Methods', 'institution_ids': ['https://openalex.org/I1330342723']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5013248875', 'display_name': 'Michael D. Brandner', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1330342723', 'display_name': 'Mayo Clinic', 'ror': 'https://ror.org/02qp3tb03', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1330342723']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'MICHAEL D. BRANDNER', 'raw_affiliation_strings': ['Section of Colon and Rectal Surgery and Department of Medical Statlstlcs and Epldemlology, Mayo Cllnlc and Mayo Foundation, Rochester, Minnesota Methods'], 'affiliations': [{'raw_affiliation_string': 'Section of Colon and Rectal Surgery and Department of Medical Statlstlcs and Epldemlology, Mayo Cllnlc and Mayo Foundation, Rochester, Minnesota Methods', 'institution_ids': ['https://openalex.org/I1330342723']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5036202794', 'display_name': 'Robert W. Beart', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1330342723', 'display_name': 'Mayo Clinic', 'ror': 'https://ror.org/02qp3tb03', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1330342723']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'ROBERT w. BEART', 'raw_affiliation_strings': ['Section of Colon and Rectal Surgery and Department of Medical Statlstlcs and Epldemlology, Mayo Cllnlc and Mayo Foundation, Rochester, Minnesota Methods'], 'affiliations': [{'raw_affiliation_string': 'Section of Colon and Rectal Surgery and Department of Medical Statlstlcs and Epldemlology, Mayo Cllnlc and Mayo Foundation, Rochester, Minnesota Methods', 'institution_ids': ['https://openalex.org/I1330342723']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5113521903', 'display_name': 'Duane M. Ilstrup', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1330342723', 'display_name': 'Mayo Clinic', 'ror': 'https://ror.org/02qp3tb03', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1330342723']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'DUANE M. ILSTRUP', 'raw_affiliation_strings': ['Section of Colon and Rectal Surgery and Department of Medical Statlstlcs and Epldemlology, Mayo Cllnlc and Mayo Foundation, Rochester, Minnesota Methods'], 'affiliations': [{'raw_affiliation_string': 'Section of Colon and Rectal Surgery and Department of Medical Statlstlcs and Epldemlology, Mayo Cllnlc and Mayo Foundation, Rochester, Minnesota Methods', 'institution_ids': ['https://openalex.org/I1330342723']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 3.53, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 399, 'citation_normalized_percentile': {'value': 0.991206, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '202', 'issue': '1', 'first_page': '83', 'last_page': '92'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12150', 'display_name': 'Intestinal Malrotation and Obstruction Disorders', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, '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/T12150', 'display_name': 'Intestinal Malrotation and Obstruction Disorders', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, '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/T12460', 'display_name': 'Pediatric Hepatobiliary Diseases and Treatments', 'score': 0.9917, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, '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/T11625', 'display_name': 'Abdominal vascular conditions and treatments', 'score': 0.991, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, '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/transverse-colon', 'display_name': 'Transverse colon', 'score': 0.60043776}, {'id': 'https://openalex.org/keywords/sigmoid-volvulus', 'display_name': 'Sigmoid Volvulus', 'score': 0.5002153}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.9687911}, {'id': 'https://openalex.org/C2778324709', 'wikidata': 'https://www.wikidata.org/wiki/Q388388', 'display_name': 'Volvulus', 'level': 2, 'score': 0.87323666}, {'id': 'https://openalex.org/C2777807078', 'wikidata': 'https://www.wikidata.org/wiki/Q2619732', 'display_name': 'Transverse colon', 'level': 2, 'score': 0.60043776}, {'id': 'https://openalex.org/C2779480328', 'wikidata': 'https://www.wikidata.org/wiki/Q1183684', 'display_name': 'Decompression', 'level': 2, 'score': 0.56094116}, {'id': 'https://openalex.org/C2776870353', 'wikidata': 'https://www.wikidata.org/wiki/Q677253', 'display_name': 'Sigmoid colon', 'level': 3, 'score': 0.5440234}, {'id': 'https://openalex.org/C90924648', 'wikidata': 'https://www.wikidata.org/wiki/Q120569', 'display_name': 'Gastroenterology', 'level': 1, 'score': 0.51071525}, {'id': 'https://openalex.org/C2908891590', 'wikidata': 'https://www.wikidata.org/wiki/Q24081864', 'display_name': 'Sigmoid volvulus', 'level': 4, 'score': 0.5002153}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.4892926}, {'id': 'https://openalex.org/C179755657', 'wikidata': 'https://www.wikidata.org/wiki/Q58702', 'display_name': 'Mortality rate', 'level': 2, 'score': 0.4735923}, {'id': 'https://openalex.org/C141071460', 'wikidata': 'https://www.wikidata.org/wiki/Q40821', 'display_name': 'Surgery', 'level': 1, 'score': 0.44332504}, {'id': 'https://openalex.org/C61434518', 'wikidata': 'https://www.wikidata.org/wiki/Q932510', 'display_name': 'General surgery', 'level': 1, 'score': 0.3257088}, {'id': 'https://openalex.org/C2781074409', 'wikidata': 'https://www.wikidata.org/wiki/Q158716', 'display_name': 'Rectum', 'level': 2, 'score': 0.08247781}], 'mesh': [{'descriptor_ui': 'D003108', 'descriptor_name': 'Colonic Diseases', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': True}, {'descriptor_ui': 'D007415', 'descriptor_name': 'Intestinal Obstruction', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002429', 'descriptor_name': 'Cecal Diseases', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': False}, {'descriptor_ui': 'D002429', 'descriptor_name': 'Cecal Diseases', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': False}, {'descriptor_ui': 'D002429', 'descriptor_name': 'Cecal Diseases', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002429', 'descriptor_name': 'Cecal Diseases', 'qualifier_ui': 'Q000401', 'qualifier_name': 'mortality', 'is_major_topic': False}, {'descriptor_ui': 'D002675', 'descriptor_name': 'Child, Preschool', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003106', 'descriptor_name': 'Colon', 'qualifier_ui': 'Q000098', 'qualifier_name': 'blood supply', 'is_major_topic': False}, {'descriptor_ui': 'D003106', 'descriptor_name': 'Colon', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003108', 'descriptor_name': 'Colonic Diseases', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': False}, {'descriptor_ui': 'D003108', 'descriptor_name': 'Colonic Diseases', 'qualifier_ui': 'Q000401', 'qualifier_name': 'mortality', 'is_major_topic': False}, {'descriptor_ui': 'D003108', 'descriptor_name': 'Colonic Diseases', 'qualifier_ui': '', 'qualifier_name': None, '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': 'D007223', 'descriptor_name': 'Infant', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007238', 'descriptor_name': 'Infarction', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007238', 'descriptor_name': 'Infarction', 'qualifier_ui': 'Q000209', 'qualifier_name': 'etiology', 'is_major_topic': False}, {'descriptor_ui': 'D007415', 'descriptor_name': 'Intestinal Obstruction', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007415', 'descriptor_name': 'Intestinal Obstruction', 'qualifier_ui': 'Q000401', 'qualifier_name': 'mortality', 'is_major_topic': False}, {'descriptor_ui': 'D007415', 'descriptor_name': 'Intestinal Obstruction', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008910', 'descriptor_name': 'Minnesota', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012810', 'descriptor_name': 'Sigmoid Diseases', 'qualifier_ui': 'Q000401', 'qualifier_name': 'mortality', 'is_major_topic': False}, {'descriptor_ui': 'D012810', 'descriptor_name': 'Sigmoid Diseases', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': False}, {'descriptor_ui': 'D012810', 'descriptor_name': 'Sigmoid Diseases', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': False}, {'descriptor_ui': 'D012810', 'descriptor_name': 'Sigmoid Diseases', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 3, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1097/00000658-198507000-00014', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S157664895', 'display_name': 'Annals of Surgery', 'issn_l': '0003-4932', 'issn': ['0003-4932', '1528-1140'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315671', 'host_organization_name': 'Lippincott Williams & Wilkins', 'host_organization_lineage': ['https://openalex.org/P4310315671', 'https://openalex.org/P4310318547'], 'host_organization_lineage_names': ['Lippincott Williams & Wilkins', 'Wolters Kluwer'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1250842', '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': 'acceptedVersion', 'is_accepted': True, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/4015215', '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': {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1250842', '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': 'acceptedVersion', 'is_accepted': True, 'is_published': False}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 39, 'referenced_works': ['https://openalex.org/W161022617', 'https://openalex.org/W176784098', 'https://openalex.org/W1974730565', 'https://openalex.org/W1980430320', 'https://openalex.org/W1981678855', 'https://openalex.org/W1992969326', 'https://openalex.org/W1996780437', 'https://openalex.org/W1997080644', 'https://openalex.org/W1998941823', 'https://openalex.org/W2002253098', 'https://openalex.org/W2004763613', 'https://openalex.org/W2017764124', 'https://openalex.org/W2023337666', 'https://openalex.org/W2028680546', 'https://openalex.org/W2030240278', 'https://openalex.org/W2034582711', 'https://openalex.org/W2036664687', 'https://openalex.org/W2040419475', 'https://openalex.org/W2043077949', 'https://openalex.org/W2044855676', 'https://openalex.org/W2054193199', 'https://openalex.org/W2060628773', 'https://openalex.org/W2068310886', 'https://openalex.org/W2072271503', 'https://openalex.org/W2080625046', 'https://openalex.org/W2090767469', 'https://openalex.org/W2092002062', 'https://openalex.org/W2114245655', 'https://openalex.org/W2406524484', 'https://openalex.org/W2407577530', 'https://openalex.org/W2413781396', 'https://openalex.org/W2414661030', 'https://openalex.org/W2419413618', 'https://openalex.org/W2427912897', 'https://openalex.org/W2429181689', 'https://openalex.org/W2472364844', 'https://openalex.org/W2614362602', 'https://openalex.org/W2984700994', 'https://openalex.org/W4252714321'], 'related_works': ['https://openalex.org/W3195822641', 'https://openalex.org/W3126994390', 'https://openalex.org/W2989266987', 'https://openalex.org/W2553009618', 'https://openalex.org/W2415306879', 'https://openalex.org/W2406443387', 'https://openalex.org/W2313702574', 'https://openalex.org/W2087325288', 'https://openalex.org/W2030581659', 'https://openalex.org/W1990531120'], 'abstract_inverted_index': {'BALLANTYNE,': [0], 'GARTH': [1], 'H.': [2], 'M.D.;': [3, 7, 12], 'BRANDNER,': [4], 'MICHAEL': [5], 'D.': [6], 'BEART,': [8], 'ROBERT': [9], 'w.': [10], 'JR.': [11], 'ILSTRUP,': [13], 'DUANE': [14], 'M.': [15], 'M.S.': [16], 'Author': [17], 'Information': [18]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1990157923', 'counts_by_year': [{'year': 2024, 'cited_by_count': 12}, {'year': 2023, 'cited_by_count': 24}, {'year': 2022, 'cited_by_count': 5}, {'year': 2021, 'cited_by_count': 14}, {'year': 2020, 'cited_by_count': 20}, {'year': 2019, 'cited_by_count': 17}, {'year': 2018, 'cited_by_count': 17}, {'year': 2017, 'cited_by_count': 22}, {'year': 2016, 'cited_by_count': 18}, {'year': 2015, 'cited_by_count': 20}, {'year': 2014, 'cited_by_count': 13}, {'year': 2013, 'cited_by_count': 19}, {'year': 2012, 'cited_by_count': 21}], 'updated_date': '2024-12-24T15:49:45.318484', 'created_date': '2016-06-24'}