Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2084474738', 'doi': 'https://doi.org/10.1016/s1091-255x(98)80073-5', 'title': 'Postprandial gastroesophageal reflux in normal volunteers and symptomatic patients', 'display_name': 'Postprandial gastroesophageal reflux in normal volunteers and symptomatic patients', 'publication_year': 1998, 'publication_date': '1998-07-01', 'ids': {'openalex': 'https://openalex.org/W2084474738', 'doi': 'https://doi.org/10.1016/s1091-255x(98)80073-5', 'mag': '2084474738', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/9841991'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s1091-255x(98)80073-5', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S78051145', 'display_name': 'Journal of Gastrointestinal Surgery', 'issn_l': '1091-255X', 'issn': ['1091-255X', '1873-4626'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], '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': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5102948932', 'display_name': 'Rodney J. Mason', 'orcid': 'https://orcid.org/0000-0003-2235-1656'}, 'institutions': [{'id': 'https://openalex.org/I1174212', 'display_name': 'University of Southern California', 'ror': 'https://ror.org/03taz7m60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I1174212']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Rodney J. Mason', 'raw_affiliation_strings': ['Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.', 'institution_ids': ['https://openalex.org/I1174212']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5012277990', 'display_name': 'Stefan Öberg', 'orcid': 'https://orcid.org/0000-0003-1943-3693'}, 'institutions': [{'id': 'https://openalex.org/I1174212', 'display_name': 'University of Southern California', 'ror': 'https://ror.org/03taz7m60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I1174212']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Stefan Öberg', 'raw_affiliation_strings': ['Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.', 'institution_ids': ['https://openalex.org/I1174212']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5097856037', 'display_name': 'Bremner G. Cedric', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1174212', 'display_name': 'University of Southern California', 'ror': 'https://ror.org/03taz7m60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I1174212']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Bremner G. Cedric', 'raw_affiliation_strings': ['Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.', 'institution_ids': ['https://openalex.org/I1174212']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5020843186', 'display_name': 'Jeffrey H. Peters', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1174212', 'display_name': 'University of Southern California', 'ror': 'https://ror.org/03taz7m60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I1174212']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Jeffrey H. Peters', 'raw_affiliation_strings': ['Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.', 'institution_ids': ['https://openalex.org/I1174212']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5053813477', 'display_name': 'M. Gadenstätter', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1174212', 'display_name': 'University of Southern California', 'ror': 'https://ror.org/03taz7m60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I1174212']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Michael Gadenstätter', 'raw_affiliation_strings': ['Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.', 'institution_ids': ['https://openalex.org/I1174212']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5042149572', 'display_name': 'Manfred Ritter', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1174212', 'display_name': 'University of Southern California', 'ror': 'https://ror.org/03taz7m60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I1174212']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Manfred Ritter', 'raw_affiliation_strings': ['Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.', 'institution_ids': ['https://openalex.org/I1174212']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5057525086', 'display_name': 'Tom R. DeMeester', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1174212', 'display_name': 'University of Southern California', 'ror': 'https://ror.org/03taz7m60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I1174212']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Tom R. DeMeester', 'raw_affiliation_strings': ['Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Department of Surgery, University of Southern California School of Medicine, Los Angeles, Calif. U.S.A.', 'institution_ids': ['https://openalex.org/I1174212']}]}], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5057525086'], 'corresponding_institution_ids': ['https://openalex.org/I1174212'], 'apc_list': {'value': 3190, 'currency': 'EUR', 'value_usd': 4190, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 1.205, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 29, 'citation_normalized_percentile': {'value': 0.832969, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 87, 'max': 88}, 'biblio': {'volume': '2', 'issue': '4', 'first_page': '342', 'last_page': '349'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10671', 'display_name': 'Diagnosis and Management of Gastroesophageal Reflux Disease', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2715', 'display_name': 'Gastroenterology'}, '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/T10671', 'display_name': 'Diagnosis and Management of Gastroesophageal Reflux Disease', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2715', 'display_name': 'Gastroenterology'}, '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/T11658', 'display_name': 'Esophageal Intervention Techniques', 'score': 0.9975, '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/T11358', 'display_name': 'Dysphagia and Swallowing Disorders', 'score': 0.9975, 'subfield': {'id': 'https://openalex.org/subfields/3616', 'display_name': 'Speech and Hearing'}, 'field': {'id': 'https://openalex.org/fields/36', 'display_name': 'Health Professions'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/hiatal-hernia', 'display_name': 'Hiatal hernia', 'score': 0.78769076}, {'id': 'https://openalex.org/keywords/esophageal-sphincter', 'display_name': 'Esophageal sphincter', 'score': 0.60013366}, {'id': 'https://openalex.org/keywords/gastroesophageal-reflux-disease', 'display_name': 'Gastroesophageal Reflux Disease', 'score': 0.50973}, {'id': 'https://openalex.org/keywords/esophageal-perforation', 'display_name': 'Esophageal Perforation', 'score': 0.504434}], 'concepts': [{'id': 'https://openalex.org/C2778199505', 'wikidata': 'https://www.wikidata.org/wiki/Q2992990', 'display_name': 'Postprandial', 'level': 3, 'score': 0.97856164}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.9162016}, {'id': 'https://openalex.org/C43270747', 'wikidata': 'https://www.wikidata.org/wiki/Q898610', 'display_name': 'Reflux', 'level': 3, 'score': 0.9123422}, {'id': 'https://openalex.org/C2778197217', 'wikidata': 'https://www.wikidata.org/wiki/Q727153', 'display_name': 'Hiatal hernia', 'level': 4, 'score': 0.78769076}, {'id': 'https://openalex.org/C2780877482', 'wikidata': 'https://www.wikidata.org/wiki/Q746416', 'display_name': 'Sphincter', 'level': 2, 'score': 0.7066459}, {'id': 'https://openalex.org/C90924648', 'wikidata': 'https://www.wikidata.org/wiki/Q120569', 'display_name': 'Gastroenterology', 'level': 1, 'score': 0.6956816}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.6388744}, {'id': 'https://openalex.org/C3018799001', 'wikidata': 'https://www.wikidata.org/wiki/Q173710', 'display_name': 'Esophageal sphincter', 'level': 4, 'score': 0.60013366}, {'id': 'https://openalex.org/C2777014526', 'wikidata': 'https://www.wikidata.org/wiki/Q223591', 'display_name': 'GERD', 'level': 4, 'score': 0.5646525}, {'id': 'https://openalex.org/C141071460', 'wikidata': 'https://www.wikidata.org/wiki/Q40821', 'display_name': 'Surgery', 'level': 1, 'score': 0.21018359}, {'id': 'https://openalex.org/C2779134260', 'wikidata': 'https://www.wikidata.org/wiki/Q12136', 'display_name': 'Disease', 'level': 2, 'score': 0.086621284}, {'id': 'https://openalex.org/C2779306644', 'wikidata': 'https://www.wikidata.org/wiki/Q2002370', 'display_name': 'Insulin', 'level': 2, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D005764', 'descriptor_name': 'Gastroesophageal Reflux', 'qualifier_ui': 'Q000209', 'qualifier_name': 'etiology', 'is_major_topic': True}, {'descriptor_ui': 'D000293', 'descriptor_name': 'Adolescent', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'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': 'D000369', 'descriptor_name': 'Aged, 80 and over', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000704', 'descriptor_name': 'Analysis of Variance', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002648', 'descriptor_name': 'Child', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004435', 'descriptor_name': 'Eating', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}, {'descriptor_ui': 'D004943', 'descriptor_name': 'Esophagogastric Junction', 'qualifier_ui': 'Q000473', 'qualifier_name': 'pathology', 'is_major_topic': False}, {'descriptor_ui': 'D004945', 'descriptor_name': 'Esophagoscopy', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004947', 'descriptor_name': 'Esophagus', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005744', 'descriptor_name': 'Gastric Acid', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006551', 'descriptor_name': 'Hernia, Hiatal', 'qualifier_ui': 'Q000150', 'qualifier_name': 'complications', 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006863', 'descriptor_name': 'Hydrogen-Ion Concentration', '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': 'D018670', 'descriptor_name': 'Monitoring, Ambulatory', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011312', 'descriptor_name': 'Pressure', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015995', 'descriptor_name': 'Prevalence', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012189', 'descriptor_name': 'Retrospective Studies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013270', 'descriptor_name': 'Stomach', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s1091-255x(98)80073-5', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S78051145', 'display_name': 'Journal of Gastrointestinal Surgery', 'issn_l': '1091-255X', 'issn': ['1091-255X', '1873-4626'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/9841991', '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': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 19, 'referenced_works': ['https://openalex.org/W165295037', 'https://openalex.org/W1965960196', 'https://openalex.org/W1975628072', 'https://openalex.org/W1975703975', 'https://openalex.org/W1984232474', 'https://openalex.org/W2003539340', 'https://openalex.org/W2016260325', 'https://openalex.org/W2024838347', 'https://openalex.org/W2030147339', 'https://openalex.org/W2037582836', 'https://openalex.org/W2043992231', 'https://openalex.org/W2053298039', 'https://openalex.org/W2074184057', 'https://openalex.org/W2124024297', 'https://openalex.org/W2341741338', 'https://openalex.org/W2343778786', 'https://openalex.org/W2414648280', 'https://openalex.org/W2474017466', 'https://openalex.org/W8191678'], 'related_works': ['https://openalex.org/W4230852297', 'https://openalex.org/W2605465292', 'https://openalex.org/W2598239972', 'https://openalex.org/W2554697545', 'https://openalex.org/W2341524776', 'https://openalex.org/W2327380017', 'https://openalex.org/W219475449', 'https://openalex.org/W2085366623', 'https://openalex.org/W2040490968', 'https://openalex.org/W1984232474'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2084474738', 'counts_by_year': [{'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 2}, {'year': 2015, 'cited_by_count': 2}, {'year': 2014, 'cited_by_count': 3}, {'year': 2013, 'cited_by_count': 1}], 'updated_date': '2024-09-09T20:20:28.036246', 'created_date': '2016-06-24'}