Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1977492254', 'doi': 'https://doi.org/10.1007/bf01660764', 'title': 'Prognosis of patients over 75 years of age with a ruptured abdominal aortic aneurysm', 'display_name': 'Prognosis of patients over 75 years of age with a ruptured abdominal aortic aneurysm', 'publication_year': 1989, 'publication_date': '1989-07-01', 'ids': {'openalex': 'https://openalex.org/W1977492254', 'doi': 'https://doi.org/10.1007/bf01660764', 'mag': '1977492254', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/2773505'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf01660764', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S60318618', 'display_name': 'World Journal of Surgery', 'issn_l': '0364-2313', 'issn': ['0364-2313', '1432-2323'], '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/A5058386645', 'display_name': 'Jarmo Salo', 'orcid': 'https://orcid.org/0000-0002-0872-7576'}, 'institutions': [{'id': 'https://openalex.org/I2800394112', 'display_name': 'Helsinki University Hospital', 'ror': 'https://ror.org/02e8hzf44', 'country_code': 'FI', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2800394112', 'https://openalex.org/I4210166427']}], 'countries': ['FI'], 'is_corresponding': False, 'raw_author_name': 'Jarmo A. Salo', 'raw_affiliation_strings': ['Department of Thoracic and Cardiovascular Surgery, Second Department of Surgery, and Fourth Department of Surgery, HelsinkiUniversity Central Hospital, Helsinki, Finland'], 'affiliations': [{'raw_affiliation_string': 'Department of Thoracic and Cardiovascular Surgery, Second Department of Surgery, and Fourth Department of Surgery, HelsinkiUniversity Central Hospital, Helsinki, Finland', 'institution_ids': ['https://openalex.org/I2800394112']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5028552324', 'display_name': 'Vesa Perhoniemi', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2800394112', 'display_name': 'Helsinki University Hospital', 'ror': 'https://ror.org/02e8hzf44', 'country_code': 'FI', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2800394112', 'https://openalex.org/I4210166427']}], 'countries': ['FI'], 'is_corresponding': False, 'raw_author_name': 'Vesa J. Perhoniemi', 'raw_affiliation_strings': ['Department of Thoracic and Cardiovascular Surgery, Second Department of Surgery, and Fourth Department of Surgery, HelsinkiUniversity Central Hospital, Helsinki, Finland'], 'affiliations': [{'raw_affiliation_string': 'Department of Thoracic and Cardiovascular Surgery, Second Department of Surgery, and Fourth Department of Surgery, HelsinkiUniversity Central Hospital, Helsinki, Finland', 'institution_ids': ['https://openalex.org/I2800394112']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5110070562', 'display_name': 'Mauri Lepäntalo', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2800394112', 'display_name': 'Helsinki University Hospital', 'ror': 'https://ror.org/02e8hzf44', 'country_code': 'FI', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2800394112', 'https://openalex.org/I4210166427']}], 'countries': ['FI'], 'is_corresponding': False, 'raw_author_name': 'Mauri J. A. Lepäntalo', 'raw_affiliation_strings': ['Department of Thoracic and Cardiovascular Surgery, Second Department of Surgery, and Fourth Department of Surgery, HelsinkiUniversity Central Hospital, Helsinki, Finland'], 'affiliations': [{'raw_affiliation_string': 'Department of Thoracic and Cardiovascular Surgery, Second Department of Surgery, and Fourth Department of Surgery, HelsinkiUniversity Central Hospital, Helsinki, Finland', 'institution_ids': ['https://openalex.org/I2800394112']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5036116908', 'display_name': 'Petri S. Mattila', 'orcid': 'https://orcid.org/0000-0003-1911-1811'}, 'institutions': [{'id': 'https://openalex.org/I2800394112', 'display_name': 'Helsinki University Hospital', 'ror': 'https://ror.org/02e8hzf44', 'country_code': 'FI', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2800394112', 'https://openalex.org/I4210166427']}], 'countries': ['FI'], 'is_corresponding': False, 'raw_author_name': 'Petri S. Mattila', 'raw_affiliation_strings': ['Department of Thoracic and Cardiovascular Surgery, Second Department of Surgery, and Fourth Department of Surgery, HelsinkiUniversity Central Hospital, Helsinki, Finland'], 'affiliations': [{'raw_affiliation_string': 'Department of Thoracic and Cardiovascular Surgery, Second Department of Surgery, and Fourth Department of Surgery, HelsinkiUniversity Central Hospital, Helsinki, Finland', 'institution_ids': ['https://openalex.org/I2800394112']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3390, 'currency': 'EUR', 'value_usd': 4390, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 1.402, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 18, 'citation_normalized_percentile': {'value': 0.791859, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 84, 'max': 85}, 'biblio': {'volume': '13', 'issue': '4', 'first_page': '484', 'last_page': '486'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11930', 'display_name': 'Cardiac, Anesthesia and Surgical Outcomes', 'score': 0.9428, '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'}}, 'topics': [{'id': 'https://openalex.org/T11930', 'display_name': 'Cardiac, Anesthesia and Surgical Outcomes', 'score': 0.9428, '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/vascular-surgery', 'display_name': 'Vascular surgery', 'score': 0.80713606}, {'id': 'https://openalex.org/keywords/cardiothoracic-surgery', 'display_name': 'Cardiothoracic surgery', 'score': 0.70956343}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.8717177}, {'id': 'https://openalex.org/C2780120127', 'wikidata': 'https://www.wikidata.org/wiki/Q743664', 'display_name': 'Abdominal surgery', 'level': 2, 'score': 0.8425803}, {'id': 'https://openalex.org/C2777010666', 'wikidata': 'https://www.wikidata.org/wiki/Q1498222', 'display_name': 'Vascular surgery', 'level': 3, 'score': 0.80713606}, {'id': 'https://openalex.org/C2778789114', 'wikidata': 'https://www.wikidata.org/wiki/Q235007', 'display_name': 'Cardiac surgery', 'level': 2, 'score': 0.71478283}, {'id': 'https://openalex.org/C160022790', 'wikidata': 'https://www.wikidata.org/wiki/Q2964004', 'display_name': 'Cardiothoracic surgery', 'level': 2, 'score': 0.70956343}, {'id': 'https://openalex.org/C2779993416', 'wikidata': 'https://www.wikidata.org/wiki/Q2256736', 'display_name': 'Abdominal aortic aneurysm', 'level': 3, 'score': 0.6963313}, {'id': 'https://openalex.org/C2776098176', 'wikidata': 'https://www.wikidata.org/wiki/Q189389', 'display_name': 'Aneurysm', 'level': 2, 'score': 0.47596616}, {'id': 'https://openalex.org/C2777323849', 'wikidata': 'https://www.wikidata.org/wiki/Q616003', 'display_name': 'Aortic aneurysm', 'level': 3, 'score': 0.44429868}, {'id': 'https://openalex.org/C141071460', 'wikidata': 'https://www.wikidata.org/wiki/Q40821', 'display_name': 'Surgery', 'level': 1, 'score': 0.4284207}, {'id': 'https://openalex.org/C61434518', 'wikidata': 'https://www.wikidata.org/wiki/Q932510', 'display_name': 'General surgery', 'level': 1, 'score': 0.3859567}, {'id': 'https://openalex.org/C126838900', 'wikidata': 'https://www.wikidata.org/wiki/Q77604', 'display_name': 'Radiology', 'level': 1, 'score': 0.38109946}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.35370612}], 'mesh': [{'descriptor_ui': 'D001014', 'descriptor_name': 'Aortic Aneurysm', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': True}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001012', 'descriptor_name': 'Aorta, Abdominal', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': False}, {'descriptor_ui': 'D001012', 'descriptor_name': 'Aorta, Abdominal', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001014', 'descriptor_name': 'Aortic Aneurysm', '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': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012422', 'descriptor_name': 'Rupture, Spontaneous', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf01660764', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S60318618', 'display_name': 'World Journal of Surgery', 'issn_l': '0364-2313', 'issn': ['0364-2313', '1432-2323'], '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/2773505', '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': [{'score': 0.69, 'display_name': 'Good health and well-being', 'id': 'https://metadata.un.org/sdg/3'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 12, 'referenced_works': ['https://openalex.org/W1505150538', 'https://openalex.org/W1965957809', 'https://openalex.org/W2019908360', 'https://openalex.org/W2045304892', 'https://openalex.org/W2087755673', 'https://openalex.org/W2088953889', 'https://openalex.org/W2107077423', 'https://openalex.org/W2401117948', 'https://openalex.org/W2411121542', 'https://openalex.org/W2415443429', 'https://openalex.org/W2418869541', 'https://openalex.org/W368475356'], 'related_works': ['https://openalex.org/W4310263407', 'https://openalex.org/W3202244706', 'https://openalex.org/W2114316777', 'https://openalex.org/W2062131824', 'https://openalex.org/W2056554749', 'https://openalex.org/W2048366209', 'https://openalex.org/W2044552158', 'https://openalex.org/W2017717669', 'https://openalex.org/W2003278678', 'https://openalex.org/W1987753160'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1977492254', 'counts_by_year': [{'year': 2018, 'cited_by_count': 1}], 'updated_date': '2024-12-10T04:01:03.719123', 'created_date': '2016-06-24'}