Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2087347915', 'doi': 'https://doi.org/10.1038/sj.bjc.6604047', 'title': 'Gallstones and the risk of biliary tract cancer: a population-based study in China', 'display_name': 'Gallstones and the risk of biliary tract cancer: a population-based study in China', 'publication_year': 2007, 'publication_date': '2007-11-13', 'ids': {'openalex': 'https://openalex.org/W2087347915', 'doi': 'https://doi.org/10.1038/sj.bjc.6604047', 'mag': '2087347915', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/18000509', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/2360257'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1038/sj.bjc.6604047', 'pdf_url': 'https://www.nature.com/articles/6604047.pdf', 'source': {'id': 'https://openalex.org/S62966998', 'display_name': 'British Journal of Cancer', 'issn_l': '0007-0920', 'issn': ['0007-0920', '1532-1827'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'journal'}, 'license': 'cc-by-nc-sa', 'license_id': 'https://openalex.org/licenses/cc-by-nc-sa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'hybrid', 'oa_url': 'https://www.nature.com/articles/6604047.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5012249216', 'display_name': 'Ann W. Hsing', 'orcid': 'https://orcid.org/0000-0003-0756-3511'}, 'institutions': [{'id': 'https://openalex.org/I4210140884', 'display_name': 'National Cancer Institute', 'ror': 'https://ror.org/040gcmg81', 'country_code': 'US', 'type': 'government', 'lineage': ['https://openalex.org/I1299022934', 'https://openalex.org/I1299303238', 'https://openalex.org/I4210140884']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'A W Hsing', 'raw_affiliation_strings': ['Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20852-7234, USA.'], 'affiliations': [{'raw_affiliation_string': 'Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20852-7234, USA.', 'institution_ids': ['https://openalex.org/I4210140884']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100877006', 'display_name': 'Y-T Gao', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210110011', 'display_name': 'Shanghai Cancer Institute', 'ror': 'https://ror.org/01ty4bg86', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I4210110011']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Y-T Gao', 'raw_affiliation_strings': ['Shanghai Cancer Institute'], 'affiliations': [{'raw_affiliation_string': 'Shanghai Cancer Institute', 'institution_ids': ['https://openalex.org/I4210110011']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100877007', 'display_name': 'T-Q Han', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2801556517', 'display_name': 'Ruijin Hospital', 'ror': 'https://ror.org/01hv94n30', 'country_code': 'CN', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2801556517']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'T-Q Han', 'raw_affiliation_strings': ['Ruijin Hospital, Shanghai Second Medical University, Shanghai, China;'], 'affiliations': [{'raw_affiliation_string': 'Ruijin Hospital, Shanghai Second Medical University, Shanghai, China;', 'institution_ids': ['https://openalex.org/I2801556517']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5102003809', 'display_name': 'Asif Rashid', 'orcid': 'https://orcid.org/0000-0001-8463-7321'}, 'institutions': [{'id': 'https://openalex.org/I1343551460', 'display_name': 'The University of Texas MD Anderson Cancer Center', 'ror': 'https://ror.org/04twxam07', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1343551460']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'A Rashid', 'raw_affiliation_strings': ['Department of pathology, University of Texas MD Anderson Cancer Center, Houston, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of pathology, University of Texas MD Anderson Cancer Center, Houston, USA', 'institution_ids': ['https://openalex.org/I1343551460']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5044332098', 'display_name': 'Lori C. Sakoda', 'orcid': 'https://orcid.org/0000-0002-0900-5735'}, 'institutions': [{'id': 'https://openalex.org/I201448701', 'display_name': 'University of Washington', 'ror': 'https://ror.org/00cvxb145', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I201448701']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'L C Sakoda', 'raw_affiliation_strings': [' University of Washington'], 'affiliations': [{'raw_affiliation_string': ' University of Washington', 'institution_ids': ['https://openalex.org/I201448701']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5007031578', 'display_name': 'B-S Wang', 'orcid': 'https://orcid.org/0000-0001-9622-7151'}, 'institutions': [{'id': 'https://openalex.org/I24943067', 'display_name': 'Fudan University', 'ror': 'https://ror.org/013q1eq08', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I24943067']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'B-S Wang', 'raw_affiliation_strings': ['Fudan University'], 'affiliations': [{'raw_affiliation_string': 'Fudan University', 'institution_ids': ['https://openalex.org/I24943067']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5089199336', 'display_name': 'Ming Shen', 'orcid': 'https://orcid.org/0000-0002-1968-3177'}, 'institutions': [{'id': 'https://openalex.org/I4210110011', 'display_name': 'Shanghai Cancer Institute', 'ror': 'https://ror.org/01ty4bg86', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I4210110011']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'M-C Shen', 'raw_affiliation_strings': ['Shanghai Tumor Hospital, Shanghai, China'], 'affiliations': [{'raw_affiliation_string': 'Shanghai Tumor Hospital, Shanghai, China', 'institution_ids': ['https://openalex.org/I4210110011']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5078433540', 'display_name': 'B-H Zhang', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I177933477', 'display_name': 'Second Military Medical University', 'ror': 'https://ror.org/04tavpn47', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I177933477']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'B-H Zhang', 'raw_affiliation_strings': ['Second Military Medical University'], 'affiliations': [{'raw_affiliation_string': 'Second Military Medical University', 'institution_ids': ['https://openalex.org/I177933477']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5045145631', 'display_name': 'Shelley Niwa', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1333523220', 'display_name': 'Westat (United States)', 'ror': 'https://ror.org/00wt7xg39', 'country_code': 'US', 'type': 'company', 'lineage': ['https://openalex.org/I1333523220']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'S Niwa', 'raw_affiliation_strings': ['Westat,'], 'affiliations': [{'raw_affiliation_string': 'Westat,', 'institution_ids': ['https://openalex.org/I1333523220']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5078111796', 'display_name': 'J. Chen', 'orcid': 'https://orcid.org/0009-0005-1649-4521'}, 'institutions': [{'id': 'https://openalex.org/I79576946', 'display_name': 'University of Pennsylvania', 'ror': 'https://ror.org/00b30xv10', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I79576946']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'J Chen', 'raw_affiliation_strings': ['#N# * University of Pennsylvania.'], 'affiliations': [{'raw_affiliation_string': '#N# * University of Pennsylvania.', 'institution_ids': ['https://openalex.org/I79576946']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5060496937', 'display_name': 'Joseph F. Fraumeni', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1299303238', 'display_name': 'National Institutes of Health', 'ror': 'https://ror.org/01cwqze88', 'country_code': 'US', 'type': 'government', 'lineage': ['https://openalex.org/I1299022934', 'https://openalex.org/I1299303238']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'J F Fraumeni', 'raw_affiliation_strings': ['National Institutes of Health'], 'affiliations': [{'raw_affiliation_string': 'National Institutes of Health', 'institution_ids': ['https://openalex.org/I1299303238']}]}], 'countries_distinct_count': 2, 'institutions_distinct_count': 10, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3790, 'currency': 'EUR', 'value_usd': 4690, 'provenance': 'doaj'}, 'apc_paid': {'value': 3790, 'currency': 'EUR', 'value_usd': 4690, 'provenance': 'doaj'}, 'fwci': 9.357, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 227, 'citation_normalized_percentile': {'value': 0.999975, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '97', 'issue': '11', 'first_page': '1577', 'last_page': '1582'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11364', 'display_name': 'Cholangiocarcinoma', 'score': 0.9998, '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/T11364', 'display_name': 'Cholangiocarcinoma', 'score': 0.9998, '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/T10518', 'display_name': 'Diagnosis and Management of Biliary Tract Disorders', 'score': 0.9989, '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/T13697', 'display_name': 'Complications of Gallstone Disease', 'score': 0.9816, '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/biliary-tract-cancer', 'display_name': 'Biliary Tract Cancer', 'score': 0.542223}, {'id': 'https://openalex.org/keywords/gallbladder-cancer', 'display_name': 'Gallbladder Cancer', 'score': 0.523195}], 'concepts': [{'id': 'https://openalex.org/C2779388726', 'wikidata': 'https://www.wikidata.org/wiki/Q272714', 'display_name': 'Gallstones', 'level': 2, 'score': 0.82876766}, {'id': 'https://openalex.org/C3017919176', 'wikidata': 'https://www.wikidata.org/wiki/Q124292', 'display_name': 'Biliary tract cancer', 'level': 4, 'score': 0.66382027}, {'id': 'https://openalex.org/C2775982439', 'wikidata': 'https://www.wikidata.org/wiki/Q3562150', 'display_name': 'Biliary tract', 'level': 2, 'score': 0.6503211}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.5685433}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.54272765}, {'id': 'https://openalex.org/C90924648', 'wikidata': 'https://www.wikidata.org/wiki/Q120569', 'display_name': 'Gastroenterology', 'level': 1, 'score': 0.5182607}, {'id': 'https://openalex.org/C2908647359', 'wikidata': 'https://www.wikidata.org/wiki/Q2625603', 'display_name': 'Population', 'level': 2, 'score': 0.462167}, {'id': 'https://openalex.org/C191935318', 'wikidata': 'https://www.wikidata.org/wiki/Q148', 'display_name': 'China', 'level': 2, 'score': 0.45989943}, {'id': 'https://openalex.org/C121608353', 'wikidata': 'https://www.wikidata.org/wiki/Q12078', 'display_name': 'Cancer', 'level': 2, 'score': 0.35082832}, {'id': 'https://openalex.org/C99454951', 'wikidata': 'https://www.wikidata.org/wiki/Q932068', 'display_name': 'Environmental health', 'level': 1, 'score': 0.2744885}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.093928844}, {'id': 'https://openalex.org/C166957645', 'wikidata': 'https://www.wikidata.org/wiki/Q23498', 'display_name': 'Archaeology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C2780258809', 'wikidata': 'https://www.wikidata.org/wiki/Q414143', 'display_name': 'Gemcitabine', 'level': 3, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D001659', 'descriptor_name': 'Biliary Tract', 'qualifier_ui': 'Q000473', 'qualifier_name': 'pathology', 'is_major_topic': True}, {'descriptor_ui': 'D001661', 'descriptor_name': 'Biliary Tract Neoplasms', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': True}, {'descriptor_ui': 'D042882', 'descriptor_name': 'Gallstones', 'qualifier_ui': 'Q000473', 'qualifier_name': 'pathology', 'is_major_topic': True}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001647', 'descriptor_name': 'Bile Acids and Salts', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': False}, {'descriptor_ui': 'D001647', 'descriptor_name': 'Bile Acids and Salts', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001659', 'descriptor_name': 'Biliary Tract', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D001659', 'descriptor_name': 'Biliary Tract', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001661', 'descriptor_name': 'Biliary Tract Neoplasms', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001663', 'descriptor_name': 'Bilirubin', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': False}, {'descriptor_ui': 'D001663', 'descriptor_name': 'Bilirubin', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002681', 'descriptor_name': 'China', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002681', 'descriptor_name': 'China', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': False}, {'descriptor_ui': 'D002784', 'descriptor_name': 'Cholesterol', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': False}, {'descriptor_ui': 'D002784', 'descriptor_name': 'Cholesterol', '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': 'D042882', 'descriptor_name': 'Gallstones', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D042882', 'descriptor_name': 'Gallstones', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, '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': 'D016017', 'descriptor_name': 'Odds Ratio', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009929', 'descriptor_name': 'Organ Size', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011159', 'descriptor_name': 'Population Surveillance', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': False}, {'descriptor_ui': 'D011159', 'descriptor_name': 'Population Surveillance', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012307', 'descriptor_name': 'Risk Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 3, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1038/sj.bjc.6604047', 'pdf_url': 'https://www.nature.com/articles/6604047.pdf', 'source': {'id': 'https://openalex.org/S62966998', 'display_name': 'British Journal of Cancer', 'issn_l': '0007-0920', 'issn': ['0007-0920', '1532-1827'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'journal'}, 'license': 'cc-by-nc-sa', 'license_id': 'https://openalex.org/licenses/cc-by-nc-sa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2360257', '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}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/18000509', '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://doi.org/10.1038/sj.bjc.6604047', 'pdf_url': 'https://www.nature.com/articles/6604047.pdf', 'source': {'id': 'https://openalex.org/S62966998', 'display_name': 'British Journal of Cancer', 'issn_l': '0007-0920', 'issn': ['0007-0920', '1532-1827'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'journal'}, 'license': 'cc-by-nc-sa', 'license_id': 'https://openalex.org/licenses/cc-by-nc-sa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'score': 0.78, 'id': 'https://metadata.un.org/sdg/3', 'display_name': 'Good health and well-being'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 31, 'referenced_works': ['https://openalex.org/W103578240', 'https://openalex.org/W1967544048', 'https://openalex.org/W1976093435', 'https://openalex.org/W198729598', 'https://openalex.org/W1988752477', 'https://openalex.org/W2023604857', 'https://openalex.org/W2028145881', 'https://openalex.org/W2040762656', 'https://openalex.org/W2041670083', 'https://openalex.org/W2069594320', 'https://openalex.org/W2076271147', 'https://openalex.org/W2077435290', 'https://openalex.org/W2077501165', 'https://openalex.org/W2081130932', 'https://openalex.org/W2086847585', 'https://openalex.org/W2091431096', 'https://openalex.org/W2092284401', 'https://openalex.org/W2109147261', 'https://openalex.org/W2112390837', 'https://openalex.org/W2113999752', 'https://openalex.org/W2141401584', 'https://openalex.org/W2145507388', 'https://openalex.org/W2147127076', 'https://openalex.org/W2375428305', 'https://openalex.org/W2375503213', 'https://openalex.org/W2408414631', 'https://openalex.org/W2411054021', 'https://openalex.org/W2411218738', 'https://openalex.org/W2430227504', 'https://openalex.org/W3140364673', 'https://openalex.org/W4229866038'], 'related_works': ['https://openalex.org/W65559641', 'https://openalex.org/W4362423068', 'https://openalex.org/W4361876956', 'https://openalex.org/W393292547', 'https://openalex.org/W3008548200', 'https://openalex.org/W2921770033', 'https://openalex.org/W2335496551', 'https://openalex.org/W2077501165', 'https://openalex.org/W2006849884', 'https://openalex.org/W1986338655'], 'abstract_inverted_index': {'We': [0, 215], 'conducted': [1], 'a': [2, 57], 'population-based': [3], 'study': [4], 'of': [5, 13, 21, 83, 99, 131, 139, 229, 235], '627': [6], 'patients': [7, 73, 209], 'with': [8, 24, 97, 104, 111, 147, 163, 178, 190], 'biliary': [9, 25], 'tract': [10], 'cancers': [11, 130], '(368': [12], 'gallbladder,': [14, 133, 230], '191': [15], 'bile': [16, 87, 135, 179, 231], 'duct,': [17, 232], 'and': [18, 27, 52, 71, 81, 86, 124, 137, 166, 189, 226, 233], '68': [19], 'ampulla': [20, 138, 234], 'Vater),': [22], '1037': [23], 'stones,': [26, 188], '959': [28], 'healthy': [29], 'controls': [30], 'randomly': [31], 'selected': [32], 'from': [33, 46, 68], 'the': [34, 90, 100, 132], 'Shanghai': [35, 219], 'population,': [36], 'all': [37], 'personally': [38], 'interviewed.': [39], 'Gallstone': [40, 198], 'status': [41], 'was': [42, 60, 203], 'based': [43], 'on': [44], 'information': [45], 'self-reports,': [47], 'imaging': [48], 'procedures,': [49], 'surgical': [50], 'notes,': [51], 'medical': [53], 'records.': [54], 'Among': [55], 'controls,': [56], 'transabdominal': [58], 'ultrasound': [59], 'performed': [61], 'to': [62, 145, 154, 185, 193, 242], 'detect': [63], 'asymptomatic': [64], 'gallstones.': [65, 243], 'Gallstones': [66], 'removed': [67], 'cancer': [69, 91, 157, 172, 181, 192, 202], 'cases': [70], 'gallstone': [72, 208], 'were': [74, 113, 159, 182], 'classified': [75], 'by': [76], 'size,': [77], 'weight,': [78], 'colour,': [79], 'pattern,': [80], 'content': [82], 'cholesterol,': [84], 'bilirubin,': [85], 'acids.': [88], 'Of': [89], 'patients,': [92], '69%': [93], 'had': [94], 'gallstones': [95, 112, 148, 165], 'compared': [96], '23%': [98], 'population': [101], 'controls.': [102], 'Compared': [103], 'subjects': [105, 162], 'without': [106], 'gallstones,': [107], 'odds': [108], 'ratios': [109], 'associated': [110], '23.8': [114], '(95%': [115, 121, 126, 221], 'confidence': [116], 'interval': [117], '(CI),': [118], '17.0–33.4),': [119], '8.0': [120], 'CI': [122, 127, 175, 222], '5.6–11.4),': [123], '4.2': [125], '2.5–7.0)': [128], 'for': [129, 170], 'extrahepatic': [134], 'ducts,': [136], 'Vater,': [140], 'respectively,': [141, 238], 'persisting': [142], 'when': [143], 'restricted': [144], 'those': [146], 'at': [149], 'least': [150], '10': [151], 'years': [152], 'prior': [153], 'cancer.': [155], 'Biliary': [156], 'risks': [158], 'higher': [160, 205], 'among': [161], 'both': [164], 'self-reported': [167], 'cholecystitis,': [168], 'particularly': [169], 'gallbladder': [171, 191, 201], '(OR=34.3,': [173], '95%': [174], '19.9–59.2).': [176], 'Subjects': [177], 'duct': [180], 'more': [183], 'likely': [184], 'have': [186, 194], 'pigment': [187], 'cholesterol': [195], 'stones': [196], '(P<0.001).': [197], 'weight': [199], 'in': [200, 207, 218], 'significantly': [204], 'than': [206], '(4.9': [210], 'vs': [211], '2.8': [212], 'grams;': [213], 'P=0.001).': [214], 'estimate': [216], 'that': [217], '80%': [220], '75–84%),': [223], '59%': [224], '(56–61%),': [225], '41%': [227], '(29–59%)': [228], 'Vater': [236], 'cancers,': [237], 'could': [239], 'be': [240], 'attributed': [241]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2087347915', 'counts_by_year': [{'year': 2024, 'cited_by_count': 7}, {'year': 2023, 'cited_by_count': 17}, {'year': 2022, 'cited_by_count': 20}, {'year': 2021, 'cited_by_count': 17}, {'year': 2020, 'cited_by_count': 15}, {'year': 2019, 'cited_by_count': 12}, {'year': 2018, 'cited_by_count': 18}, {'year': 2017, 'cited_by_count': 12}, {'year': 2016, 'cited_by_count': 8}, {'year': 2015, 'cited_by_count': 18}, {'year': 2014, 'cited_by_count': 12}, {'year': 2013, 'cited_by_count': 14}, {'year': 2012, 'cited_by_count': 11}], 'updated_date': '2024-09-13T04:03:45.028145', 'created_date': '2016-06-24'}