Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2000857063', 'doi': 'https://doi.org/10.1097/00042737-199910000-00009', 'title': 'Risk indicators of organic diseases in uninvestigated dyspepsia', 'display_name': 'Risk indicators of organic diseases in uninvestigated dyspepsia', 'publication_year': 1999, 'publication_date': '1999-10-01', 'ids': {'openalex': 'https://openalex.org/W2000857063', 'doi': 'https://doi.org/10.1097/00042737-199910000-00009', 'mag': '2000857063', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/10524642'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1097/00042737-199910000-00009', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S937433771', 'display_name': 'European Journal of Gastroenterology & Hepatology', 'issn_l': '0954-691X', 'issn': ['0954-691X', '1473-5687'], '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': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5074099993', 'display_name': 'Edoardo Savarino', 'orcid': 'https://orcid.org/0000-0002-3187-2894'}, 'institutions': [{'id': 'https://openalex.org/I9360294', 'display_name': 'University of Bologna', 'ror': 'https://ror.org/01111rn36', 'country_code': 'IT', 'type': 'education', 'lineage': ['https://openalex.org/I9360294']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'V Stanghellini', 'raw_affiliation_strings': ['Department of Internal Medicine and Gastroenterology, University of Bologna, Italy.'], 'affiliations': [{'raw_affiliation_string': 'Department of Internal Medicine and Gastroenterology, University of Bologna, Italy.', 'institution_ids': ['https://openalex.org/I9360294']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5064979979', 'display_name': 'M. Anti', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'M Anti', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5010154384', 'display_name': 'G. Bianchi Porro', 'orcid': 'https://orcid.org/0000-0003-4863-0928'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'G Bianchi Porro', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5040337934', 'display_name': 'Roberto Corinaldesi', 'orcid': 'https://orcid.org/0000-0001-6093-6992'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'R Corinaldesi', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5032296033', 'display_name': 'Giovanni Gasbarrini', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'G Gasbarrini', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5103685358', 'display_name': 'Attilio Giacosa', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'A Giacosa', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5013343324', 'display_name': 'Roberto Fiocca', 'orcid': 'https://orcid.org/0000-0002-8856-6185'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'R Fiocca', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5075525738', 'display_name': 'Carlo La Vecchia', 'orcid': 'https://orcid.org/0000-0003-1441-897X'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'C LaVecchia', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5027528495', 'display_name': 'Giovanni Maconi', 'orcid': 'https://orcid.org/0000-0003-0810-4026'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'G Maconi', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5057285649', 'display_name': 'Eva Negri', 'orcid': 'https://orcid.org/0000-0001-9712-8526'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'E Negri', 'raw_affiliation_strings': [], 'affiliations': []}], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 2.604, 'has_fulltext': False, 'cited_by_count': 18, 'citation_normalized_percentile': {'value': 0.732532, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 83, 'max': 84}, 'biblio': {'volume': '11', 'issue': '10', 'first_page': '1129', 'last_page': '1134'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10276', 'display_name': 'Helicobacter pylori Infection and Gastric Cancer', '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/T10276', 'display_name': 'Helicobacter pylori Infection and Gastric Cancer', '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/T12538', 'display_name': 'Diagnosis and Management of Eosinophilic Esophagitis', 'score': 0.9982, '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/T13569', 'display_name': 'Epidemiology and Treatment of Microscopic Colitis', 'score': 0.9887, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/epigastric-pain', 'display_name': 'Epigastric pain', 'score': 0.75064933}, {'id': 'https://openalex.org/keywords/helicobacter-pylori', 'display_name': 'Helicobacter pylori', 'score': 0.488399}, {'id': 'https://openalex.org/keywords/spirillaceae', 'display_name': 'Spirillaceae', 'score': 0.43821272}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.9346103}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.7661761}, {'id': 'https://openalex.org/C2991960855', 'wikidata': 'https://www.wikidata.org/wiki/Q183425', 'display_name': 'Epigastric pain', 'level': 3, 'score': 0.75064933}, {'id': 'https://openalex.org/C156957248', 'wikidata': 'https://www.wikidata.org/wiki/Q1862216', 'display_name': 'Odds ratio', 'level': 2, 'score': 0.7208934}, {'id': 'https://openalex.org/C2776409635', 'wikidata': 'https://www.wikidata.org/wiki/Q180556', 'display_name': 'Helicobacter pylori', 'level': 2, 'score': 0.7081059}, {'id': 'https://openalex.org/C90924648', 'wikidata': 'https://www.wikidata.org/wiki/Q120569', 'display_name': 'Gastroenterology', 'level': 1, 'score': 0.6978959}, {'id': 'https://openalex.org/C44249647', 'wikidata': 'https://www.wikidata.org/wiki/Q208498', 'display_name': 'Confidence interval', 'level': 2, 'score': 0.5860093}, {'id': 'https://openalex.org/C2778451229', 'wikidata': 'https://www.wikidata.org/wiki/Q212809', 'display_name': 'Endoscopy', 'level': 2, 'score': 0.5248554}, {'id': 'https://openalex.org/C2781179581', 'wikidata': 'https://www.wikidata.org/wiki/Q2857712', 'display_name': 'Family history', 'level': 2, 'score': 0.43841255}, {'id': 'https://openalex.org/C2779137044', 'wikidata': 'https://www.wikidata.org/wiki/Q7577827', 'display_name': 'Spirillaceae', 'level': 4, 'score': 0.43821272}, {'id': 'https://openalex.org/C2778677798', 'wikidata': 'https://www.wikidata.org/wiki/Q183130', 'display_name': 'Gastritis', 'level': 3, 'score': 0.21576953}, {'id': 'https://openalex.org/C2780852908', 'wikidata': 'https://www.wikidata.org/wiki/Q127076', 'display_name': 'Vomiting', 'level': 2, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D004066', 'descriptor_name': 'Digestive System Diseases', 'qualifier_ui': 'Q000175', 'qualifier_name': 'diagnosis', 'is_major_topic': True}, {'descriptor_ui': 'D004415', 'descriptor_name': 'Dyspepsia', 'qualifier_ui': 'Q000175', 'qualifier_name': 'diagnosis', 'is_major_topic': True}, {'descriptor_ui': 'D016099', 'descriptor_name': 'Endoscopy, Gastrointestinal', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000367', 'descriptor_name': 'Age Factors', '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': 'D000907', 'descriptor_name': 'Antibodies, Bacterial', 'qualifier_ui': 'Q000097', 'qualifier_name': 'blood', 'is_major_topic': False}, {'descriptor_ui': 'D000907', 'descriptor_name': 'Antibodies, Bacterial', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003430', 'descriptor_name': 'Cross-Sectional Studies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004066', 'descriptor_name': 'Digestive System Diseases', 'qualifier_ui': 'Q000382', 'qualifier_name': 'microbiology', 'is_major_topic': False}, {'descriptor_ui': 'D004066', 'descriptor_name': 'Digestive System Diseases', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004415', 'descriptor_name': 'Dyspepsia', 'qualifier_ui': 'Q000382', 'qualifier_name': 'microbiology', 'is_major_topic': False}, {'descriptor_ui': 'D004415', 'descriptor_name': 'Dyspepsia', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005069', 'descriptor_name': 'Evaluation Studies as Topic', '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': 'D016481', 'descriptor_name': 'Helicobacter Infections', 'qualifier_ui': 'Q000097', 'qualifier_name': 'blood', 'is_major_topic': False}, {'descriptor_ui': 'D016481', 'descriptor_name': 'Helicobacter Infections', 'qualifier_ui': 'Q000175', 'qualifier_name': 'diagnosis', 'is_major_topic': False}, {'descriptor_ui': 'D016481', 'descriptor_name': 'Helicobacter Infections', 'qualifier_ui': 'Q000150', 'qualifier_name': 'complications', 'is_major_topic': False}, {'descriptor_ui': 'D016481', 'descriptor_name': 'Helicobacter Infections', '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': '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': 'D011237', 'descriptor_name': 'Predictive Value of Tests', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011933', 'descriptor_name': 'Reagent Kits, Diagnostic', '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}, {'descriptor_ui': 'D012680', 'descriptor_name': 'Sensitivity and Specificity', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012737', 'descriptor_name': 'Sex Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1097/00042737-199910000-00009', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S937433771', 'display_name': 'European Journal of Gastroenterology & Hepatology', 'issn_l': '0954-691X', 'issn': ['0954-691X', '1473-5687'], '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': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/10524642', '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/3', 'display_name': 'Good health and well-being', 'score': 0.86}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W4388542208', 'https://openalex.org/W4253299116', 'https://openalex.org/W2893671794', 'https://openalex.org/W2509782429', 'https://openalex.org/W2444255157', 'https://openalex.org/W2426659099', 'https://openalex.org/W2289212647', 'https://openalex.org/W2127272577', 'https://openalex.org/W2035008079', 'https://openalex.org/W1509924762'], 'abstract_inverted_index': {'Stanghellini,': [0], 'Vincenzo;': [1], 'Anti,': [2], 'Marcello;': [3], 'Porro,': [4], 'Gabriele': [5], 'Bianchi;': [6], 'Corinaldesi,': [7], 'Roberto;': [8, 14], 'Gasbarrini,': [9], 'Giovanni;': [10, 18], 'Giacosa,': [11], 'Attilio;': [12], 'Fiocca,': [13], 'LaVecchia,': [15], 'Carlo;': [16], 'Maconi,': [17], 'Negri,': [19], 'Eva': [20], 'Author': [21], 'Information': [22]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2000857063', 'counts_by_year': [{'year': 2022, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}], 'updated_date': '2024-08-15T12:17:22.756411', 'created_date': '2016-06-24'}