Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W4229852277', 'doi': 'https://doi.org/10.1016/s0009-9260(88)80136-3', 'title': 'Assessment of portal vein invasion in patients with primary hepatocellular carcinoma: Sonography compared with angiography', 'display_name': 'Assessment of portal vein invasion in patients with primary hepatocellular carcinoma: Sonography compared with angiography', 'publication_year': 1988, 'publication_date': '1988-11-01', 'ids': {'openalex': 'https://openalex.org/W4229852277', 'doi': 'https://doi.org/10.1016/s0009-9260(88)80136-3'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s0009-9260(88)80136-3', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S180082538', 'display_name': 'Clinical Radiology', 'issn_l': '0009-9260', 'issn': ['0009-9260', '1365-229X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3200, 'currency': 'USD', 'value_usd': 3200, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 53}, 'biblio': {'volume': '39', 'issue': '6', 'first_page': '681', 'last_page': '681'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10073', 'display_name': 'Hepatocellular Carcinoma', 'score': 0.9994, 'subfield': {'id': 'https://openalex.org/subfields/2721', 'display_name': 'Hepatology'}, '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/T10073', 'display_name': 'Hepatocellular Carcinoma', 'score': 0.9994, 'subfield': {'id': 'https://openalex.org/subfields/2721', 'display_name': 'Hepatology'}, '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/T10337', 'display_name': 'Liver Cirrhosis and Associated Complications', 'score': 0.9932, 'subfield': {'id': 'https://openalex.org/subfields/2721', 'display_name': 'Hepatology'}, '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/T10351', 'display_name': 'Epidemiology and Management of NAFLD', 'score': 0.9891, '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/hepatocellular-carcinoma', 'display_name': 'Hepatocellular Carcinoma', 'score': 0.527856}, {'id': 'https://openalex.org/keywords/vascular-invasion', 'display_name': 'Vascular invasion', 'score': 0.48324165}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.98753107}, {'id': 'https://openalex.org/C2778019345', 'wikidata': 'https://www.wikidata.org/wiki/Q1148337', 'display_name': 'Hepatocellular carcinoma', 'level': 2, 'score': 0.78274775}, {'id': 'https://openalex.org/C126838900', 'wikidata': 'https://www.wikidata.org/wiki/Q77604', 'display_name': 'Radiology', 'level': 1, 'score': 0.749524}, {'id': 'https://openalex.org/C2779033008', 'wikidata': 'https://www.wikidata.org/wiki/Q464543', 'display_name': 'Portal vein', 'level': 2, 'score': 0.7159834}, {'id': 'https://openalex.org/C2780643987', 'wikidata': 'https://www.wikidata.org/wiki/Q468414', 'display_name': 'Angiography', 'level': 2, 'score': 0.62814796}, {'id': 'https://openalex.org/C3020478367', 'wikidata': 'https://www.wikidata.org/wiki/Q6708283', 'display_name': 'Vascular invasion', 'level': 3, 'score': 0.48324165}, {'id': 'https://openalex.org/C2777546739', 'wikidata': 'https://www.wikidata.org/wiki/Q33525', 'display_name': 'Carcinoma', 'level': 2, 'score': 0.43986788}, {'id': 'https://openalex.org/C142724271', 'wikidata': 'https://www.wikidata.org/wiki/Q7208', 'display_name': 'Pathology', 'level': 1, 'score': 0.16998959}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.15493783}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s0009-9260(88)80136-3', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S180082538', 'display_name': 'Clinical Radiology', 'issn_l': '0009-9260', 'issn': ['0009-9260', '1365-229X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Good health and well-being', 'id': 'https://metadata.un.org/sdg/3', 'score': 0.71}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W2526999821', 'https://openalex.org/W2510113807', 'https://openalex.org/W2418341674', 'https://openalex.org/W2412087595', 'https://openalex.org/W2354577600', 'https://openalex.org/W2155760687', 'https://openalex.org/W2071330355', 'https://openalex.org/W2006966289', 'https://openalex.org/W1973544453', 'https://openalex.org/W141524600'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W4229852277', 'counts_by_year': [], 'updated_date': '2024-09-18T21:04:58.948219', 'created_date': '2022-05-11'}