Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2120963225', 'doi': 'https://doi.org/10.1212/01.wnl.0000175983.76110.59', 'title': 'Stroke recurrences in patients with symptomatic vs asymptomatic middle cerebral artery disease', 'display_name': 'Stroke recurrences in patients with symptomatic vs asymptomatic middle cerebral artery disease', 'publication_year': 2005, 'publication_date': '2005-09-27', 'ids': {'openalex': 'https://openalex.org/W2120963225', 'doi': 'https://doi.org/10.1212/01.wnl.0000175983.76110.59', 'mag': '2120963225', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/16186524'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1212/01.wnl.0000175983.76110.59', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S79704628', 'display_name': 'Neurology', 'issn_l': '0028-3878', 'issn': ['0028-3878', '1526-632X'], '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/A5006958124', 'display_name': 'Rolf Kern', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210156450', 'display_name': 'University Medical Centre Mannheim', 'ror': 'https://ror.org/05sxbyd35', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210156450']}, {'id': 'https://openalex.org/I223822909', 'display_name': 'Heidelberg University', 'ror': 'https://ror.org/038t36y30', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I223822909']}, {'id': 'https://openalex.org/I4210132007', 'display_name': 'Marien Hospital Düsseldorf', 'ror': 'https://ror.org/030qwf038', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210132007']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'R. Kern', 'raw_affiliation_strings': ['From the Departments of Neurology, Universitätsklinikum Mannheim, University of Heidelberg (Drs. Kern, Daffertshofer, Prager, and Hennerici), and Marien-Hospital Düsseldorf, Germany (Dr. Steinke).'], 'affiliations': [{'raw_affiliation_string': 'From the Departments of Neurology, Universitätsklinikum Mannheim, University of Heidelberg (Drs. Kern, Daffertshofer, Prager, and Hennerici), and Marien-Hospital Düsseldorf, Germany (Dr. Steinke).', 'institution_ids': ['https://openalex.org/I4210156450', 'https://openalex.org/I223822909', 'https://openalex.org/I4210132007']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5039654693', 'display_name': 'Wolfgang Steinke', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210156450', 'display_name': 'University Medical Centre Mannheim', 'ror': 'https://ror.org/05sxbyd35', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210156450']}, {'id': 'https://openalex.org/I223822909', 'display_name': 'Heidelberg University', 'ror': 'https://ror.org/038t36y30', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I223822909']}, {'id': 'https://openalex.org/I4210132007', 'display_name': 'Marien Hospital Düsseldorf', 'ror': 'https://ror.org/030qwf038', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210132007']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'W. Steinke', 'raw_affiliation_strings': ['From the Departments of Neurology, Universitätsklinikum Mannheim, University of Heidelberg (Drs. Kern, Daffertshofer, Prager, and Hennerici), and Marien-Hospital Düsseldorf, Germany (Dr. Steinke).'], 'affiliations': [{'raw_affiliation_string': 'From the Departments of Neurology, Universitätsklinikum Mannheim, University of Heidelberg (Drs. Kern, Daffertshofer, Prager, and Hennerici), and Marien-Hospital Düsseldorf, Germany (Dr. Steinke).', 'institution_ids': ['https://openalex.org/I4210156450', 'https://openalex.org/I223822909', 'https://openalex.org/I4210132007']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5049074878', 'display_name': 'Michael Daffertshofer', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210156450', 'display_name': 'University Medical Centre Mannheim', 'ror': 'https://ror.org/05sxbyd35', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210156450']}, {'id': 'https://openalex.org/I223822909', 'display_name': 'Heidelberg University', 'ror': 'https://ror.org/038t36y30', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I223822909']}, {'id': 'https://openalex.org/I4210132007', 'display_name': 'Marien Hospital Düsseldorf', 'ror': 'https://ror.org/030qwf038', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210132007']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'M. Daffertshofer', 'raw_affiliation_strings': ['From the Departments of Neurology, Universitätsklinikum Mannheim, University of Heidelberg (Drs. Kern, Daffertshofer, Prager, and Hennerici), and Marien-Hospital Düsseldorf, Germany (Dr. Steinke).'], 'affiliations': [{'raw_affiliation_string': 'From the Departments of Neurology, Universitätsklinikum Mannheim, University of Heidelberg (Drs. Kern, Daffertshofer, Prager, and Hennerici), and Marien-Hospital Düsseldorf, Germany (Dr. Steinke).', 'institution_ids': ['https://openalex.org/I4210156450', 'https://openalex.org/I223822909', 'https://openalex.org/I4210132007']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5081839200', 'display_name': 'Robert J. Prager', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210156450', 'display_name': 'University Medical Centre Mannheim', 'ror': 'https://ror.org/05sxbyd35', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210156450']}, {'id': 'https://openalex.org/I223822909', 'display_name': 'Heidelberg University', 'ror': 'https://ror.org/038t36y30', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I223822909']}, {'id': 'https://openalex.org/I4210132007', 'display_name': 'Marien Hospital Düsseldorf', 'ror': 'https://ror.org/030qwf038', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210132007']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'R. Prager', 'raw_affiliation_strings': ['From the Departments of Neurology, Universitätsklinikum Mannheim, University of Heidelberg (Drs. Kern, Daffertshofer, Prager, and Hennerici), and Marien-Hospital Düsseldorf, Germany (Dr. Steinke).'], 'affiliations': [{'raw_affiliation_string': 'From the Departments of Neurology, Universitätsklinikum Mannheim, University of Heidelberg (Drs. Kern, Daffertshofer, Prager, and Hennerici), and Marien-Hospital Düsseldorf, Germany (Dr. Steinke).', 'institution_ids': ['https://openalex.org/I4210156450', 'https://openalex.org/I223822909', 'https://openalex.org/I4210132007']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5107857171', 'display_name': 'Michael G. Hennerici', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210156450', 'display_name': 'University Medical Centre Mannheim', 'ror': 'https://ror.org/05sxbyd35', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210156450']}, {'id': 'https://openalex.org/I223822909', 'display_name': 'Heidelberg University', 'ror': 'https://ror.org/038t36y30', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I223822909']}, {'id': 'https://openalex.org/I4210132007', 'display_name': 'Marien Hospital Düsseldorf', 'ror': 'https://ror.org/030qwf038', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210132007']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'M. Hennerici', 'raw_affiliation_strings': ['From the Departments of Neurology, Universitätsklinikum Mannheim, University of Heidelberg (Drs. Kern, Daffertshofer, Prager, and Hennerici), and Marien-Hospital Düsseldorf, Germany (Dr. Steinke).'], 'affiliations': [{'raw_affiliation_string': 'From the Departments of Neurology, Universitätsklinikum Mannheim, University of Heidelberg (Drs. Kern, Daffertshofer, Prager, and Hennerici), and Marien-Hospital Düsseldorf, Germany (Dr. Steinke).', 'institution_ids': ['https://openalex.org/I4210156450', 'https://openalex.org/I223822909', 'https://openalex.org/I4210132007']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 6.99, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 143, 'citation_normalized_percentile': {'value': 0.966118, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 97, 'max': 98}, 'biblio': {'volume': '65', 'issue': '6', 'first_page': '859', 'last_page': '864'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10816', 'display_name': 'Cerebrovascular and Carotid Artery Diseases', 'score': 1.0, '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'}}, 'topics': [{'id': 'https://openalex.org/T10816', 'display_name': 'Cerebrovascular and Carotid Artery Diseases', 'score': 1.0, '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/T10227', 'display_name': 'Acute Ischemic Stroke Management', 'score': 0.997, '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'}}, {'id': 'https://openalex.org/T10420', 'display_name': 'Intracranial Aneurysms: Treatment and Complications', 'score': 0.9967, 'subfield': {'id': 'https://openalex.org/subfields/2728', 'display_name': 'Neurology'}, '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/transcranial-doppler', 'display_name': 'Transcranial Doppler', 'score': 0.62057537}, {'id': 'https://openalex.org/keywords/stroke', 'display_name': 'Stroke', 'score': 0.6055528}, {'id': 'https://openalex.org/keywords/carotid-artery-disease', 'display_name': 'Carotid artery disease', 'score': 0.44617113}, {'id': 'https://openalex.org/keywords/duplex-ultrasonography', 'display_name': 'Duplex ultrasonography', 'score': 0.44030052}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.91726387}, {'id': 'https://openalex.org/C2777910003', 'wikidata': 'https://www.wikidata.org/wiki/Q1707292', 'display_name': 'Asymptomatic', 'level': 2, 'score': 0.8833749}, {'id': 'https://openalex.org/C2775841333', 'wikidata': 'https://www.wikidata.org/wiki/Q498179', 'display_name': 'Middle cerebral artery', 'level': 3, 'score': 0.76906973}, {'id': 'https://openalex.org/C191616109', 'wikidata': 'https://www.wikidata.org/wiki/Q3512319', 'display_name': 'Transcranial Doppler', 'level': 2, 'score': 0.62057537}, {'id': 'https://openalex.org/C2780645631', 'wikidata': 'https://www.wikidata.org/wiki/Q671554', 'display_name': 'Stroke (engine)', 'level': 2, 'score': 0.6055528}, {'id': 'https://openalex.org/C207103383', 'wikidata': 'https://www.wikidata.org/wiki/Q3930246', 'display_name': 'Hazard ratio', 'level': 3, 'score': 0.56018966}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.5220492}, {'id': 'https://openalex.org/C2780007028', 'wikidata': 'https://www.wikidata.org/wiki/Q2343082', 'display_name': 'Stenosis', 'level': 2, 'score': 0.5121324}, {'id': 'https://openalex.org/C164705383', 'wikidata': 'https://www.wikidata.org/wiki/Q10379', 'display_name': 'Cardiology', 'level': 1, 'score': 0.48402402}, {'id': 'https://openalex.org/C2776184368', 'wikidata': 'https://www.wikidata.org/wiki/Q1576205', 'display_name': 'Carotid artery disease', 'level': 4, 'score': 0.44617113}, {'id': 'https://openalex.org/C2775855180', 'wikidata': 'https://www.wikidata.org/wiki/Q109374671', 'display_name': 'Duplex ultrasonography', 'level': 3, 'score': 0.44030052}, {'id': 'https://openalex.org/C2777466421', 'wikidata': 'https://www.wikidata.org/wiki/Q1266890', 'display_name': 'Vascular disease', 'level': 2, 'score': 0.4257372}, {'id': 'https://openalex.org/C141071460', 'wikidata': 'https://www.wikidata.org/wiki/Q40821', 'display_name': 'Surgery', 'level': 1, 'score': 0.3684401}, {'id': 'https://openalex.org/C541997718', 'wikidata': 'https://www.wikidata.org/wiki/Q188151', 'display_name': 'Ischemia', 'level': 2, 'score': 0.2412704}, {'id': 'https://openalex.org/C44249647', 'wikidata': 'https://www.wikidata.org/wiki/Q208498', 'display_name': 'Confidence interval', 'level': 2, 'score': 0.20753765}, {'id': 'https://openalex.org/C2781068581', 'wikidata': 'https://www.wikidata.org/wiki/Q5045544', 'display_name': 'Carotid endarterectomy', 'level': 3, 'score': 0.08989614}, {'id': 'https://openalex.org/C78519656', 'wikidata': 'https://www.wikidata.org/wiki/Q101333', 'display_name': 'Mechanical engineering', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D002545', 'descriptor_name': 'Brain Ischemia', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D002545', 'descriptor_name': 'Brain Ischemia', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': True}, {'descriptor_ui': 'D020244', 'descriptor_name': 'Infarction, Middle Cerebral Artery', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D020244', 'descriptor_name': 'Infarction, Middle Cerebral Artery', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': True}, {'descriptor_ui': 'D020768', 'descriptor_name': 'Middle Cerebral Artery', 'qualifier_ui': 'Q000473', 'qualifier_name': 'pathology', 'is_major_topic': True}, {'descriptor_ui': 'D020768', 'descriptor_name': 'Middle Cerebral Artery', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000925', 'descriptor_name': 'Anticoagulants', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000925', 'descriptor_name': 'Anticoagulants', 'qualifier_ui': 'Q000627', 'qualifier_name': 'therapeutic use', 'is_major_topic': False}, {'descriptor_ui': 'D001921', 'descriptor_name': 'Brain', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001921', 'descriptor_name': 'Brain', 'qualifier_ui': 'Q000098', 'qualifier_name': 'blood supply', 'is_major_topic': False}, {'descriptor_ui': 'D001921', 'descriptor_name': 'Brain', 'qualifier_ui': 'Q000473', 'qualifier_name': 'pathology', 'is_major_topic': False}, {'descriptor_ui': 'D001921', 'descriptor_name': 'Brain', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': False}, {'descriptor_ui': 'D002545', 'descriptor_name': 'Brain Ischemia', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002545', 'descriptor_name': 'Brain Ischemia', 'qualifier_ui': 'Q000188', 'qualifier_name': 'drug therapy', 'is_major_topic': False}, {'descriptor_ui': 'D018450', 'descriptor_name': 'Disease Progression', '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': 'D015994', 'descriptor_name': 'Incidence', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D020244', 'descriptor_name': 'Infarction, Middle Cerebral Artery', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D020244', 'descriptor_name': 'Infarction, Middle Cerebral Artery', 'qualifier_ui': 'Q000188', 'qualifier_name': 'drug therapy', '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': 'D020768', 'descriptor_name': 'Middle Cerebral Artery', 'qualifier_ui': 'Q000187', 'qualifier_name': 'drug effects', 'is_major_topic': False}, {'descriptor_ui': 'D020768', 'descriptor_name': 'Middle Cerebral Artery', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010975', 'descriptor_name': 'Platelet Aggregation Inhibitors', 'qualifier_ui': 'Q000627', 'qualifier_name': 'therapeutic use', 'is_major_topic': False}, {'descriptor_ui': 'D010975', 'descriptor_name': 'Platelet Aggregation Inhibitors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011379', 'descriptor_name': 'Prognosis', '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': 'D055502', 'descriptor_name': 'Secondary Prevention', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D016896', 'descriptor_name': 'Treatment Outcome', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D017585', 'descriptor_name': 'Ultrasonography, Doppler, Transcranial', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1212/01.wnl.0000175983.76110.59', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S79704628', 'display_name': 'Neurology', 'issn_l': '0028-3878', 'issn': ['0028-3878', '1526-632X'], '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/16186524', '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': 0.82}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 39, 'referenced_works': ['https://openalex.org/W1502158551', 'https://openalex.org/W1964413620', 'https://openalex.org/W1966264399', 'https://openalex.org/W1968965226', 'https://openalex.org/W1980205676', 'https://openalex.org/W1981217711', 'https://openalex.org/W1986702208', 'https://openalex.org/W1987745897', 'https://openalex.org/W1993350225', 'https://openalex.org/W2004556881', 'https://openalex.org/W2008037984', 'https://openalex.org/W2025849635', 'https://openalex.org/W2027538725', 'https://openalex.org/W2031291940', 'https://openalex.org/W2050588153', 'https://openalex.org/W2058836765', 'https://openalex.org/W2072766946', 'https://openalex.org/W2074529738', 'https://openalex.org/W2088549042', 'https://openalex.org/W2092689878', 'https://openalex.org/W2092964229', 'https://openalex.org/W2096428391', 'https://openalex.org/W2100716566', 'https://openalex.org/W2107686424', 'https://openalex.org/W2108381260', 'https://openalex.org/W2115076450', 'https://openalex.org/W2149892519', 'https://openalex.org/W2160126954', 'https://openalex.org/W2165324303', 'https://openalex.org/W2166533761', 'https://openalex.org/W2167806412', 'https://openalex.org/W2316997036', 'https://openalex.org/W2612334191', 'https://openalex.org/W2767911074', 'https://openalex.org/W2911483403', 'https://openalex.org/W4206187417', 'https://openalex.org/W4253878427', 'https://openalex.org/W4254275347', 'https://openalex.org/W4376848366'], 'related_works': ['https://openalex.org/W4254012528', 'https://openalex.org/W4245778532', 'https://openalex.org/W4214494145', 'https://openalex.org/W2553305067', 'https://openalex.org/W2389123192', 'https://openalex.org/W2382491020', 'https://openalex.org/W2343796993', 'https://openalex.org/W2166671611', 'https://openalex.org/W2113570286', 'https://openalex.org/W2098490954'], 'abstract_inverted_index': {'Although': [0], 'the': [1, 18, 58, 137, 164], 'natural': [2], 'history': [3], 'of': [4, 20, 87, 126, 157, 229], 'extracranial': [5, 244], 'carotid': [6, 245], 'artery': [7, 23, 219, 246], 'disease': [8, 148, 171, 182], 'has': [9], 'been': [10], 'investigated': [11], 'systematically,': [12], 'limited': [13], 'data': [14], 'are': [15], 'available': [16], 'on': [17], 'course': [19], 'middle': [21, 217], 'cerebral': [22, 110, 218], '(MCA)': [24], 'disease.The': [25], 'authors': [26], 'observed': [27], '102': [28], 'consecutive': [29], 'patients': [30, 56, 71, 241], '(67': [31], 'men,': [32], '35': [33], 'women;': [34], 'mean': [35, 85], 'age': [36], '61.9': [37], 'years)': [38], 'with': [39, 83, 98, 145, 215, 242], 'significant': [40], 'MCA': [41, 142, 147, 170, 181], 'stenosis': [42], 'or': [43, 65, 105], 'occlusion': [44], 'as': [45], 'demonstrated': [46], 'by': [47], 'transcranial': [48, 51], 'Doppler': [49], 'and': [50, 75, 201, 225], 'color-coded': [52], 'duplex': [53], 'ultrasonography.': [54], 'Forty-six': [55], 'entered': [57], 'study': [59, 150], 'after': [60], 'TIA': [61], '(n': [62, 67, 102, 107], '=': [63, 68, 103, 108, 211], '17)': [64], 'stroke': [66, 155], '29);': [69], '56': [70], 'were': [72, 78, 95, 134], 'asymptomatic.': [73], 'Neurologic': [74], 'ultrasound': [76], 'investigations': [77], 'performed': [79], 'at': [80, 149], 'regular': [81], 'intervals': [82], 'a': [84, 223], 'follow-up': [86], '31': [88], '(range': [89], '6': [90], 'to': [91, 136, 141, 196, 208], '117)': [92], 'months.': [93], 'Patients': [94, 144], 'continuously': [96], 'treated': [97], 'either': [99], 'platelet': [100], 'inhibitors': [101], '75)': [104], 'anticoagulation': [106], '27).Nineteen': [109], 'ischemic': [111, 230], 'events': [112, 129, 231], '(11': [113], 'strokes,': [114, 131], '8': [115], 'TIAs)': [116, 133], 'occurred': [117], 'during': [118], 'follow-up,': [119], 'resulting': [120], 'in': [121, 167, 232, 240], 'an': [122, 153, 184], 'overall': [123, 154, 188], 'annual': [124, 165], 'rate': [125, 228], '7.3%.': [127], 'Thirteen': [128], '(8': [130], '5': [132], 'attributable': [135], 'vascular': [138], 'territory': [139], 'ipsilateral': [140, 202], 'disease.': [143, 247], 'symptomatic': [146, 233, 243], 'entry': [151], 'had': [152], 'risk': [156], '12.5%': [158], 'per': [159], 'year': [160], '(ipsilateral:': [161, 175], '9.1%),': [162], 'whereas': [163], 'incidence': [166], 'primarily': [168], 'asymptomatic': [169, 216], 'was': [172, 183, 222, 236], 'only': [173], '2.8%': [174], '1.4%;': [176], 'p': [177, 198, 210], '<': [178, 199], '0.01).': [179], 'Symptomatic': [180], 'independent': [185], 'predictor': [186], 'for': [187], '(hazard': [189], 'ratio': [190], '[HR]': [191], '7.91,': [192], '95%': [193, 205], 'CI': [194, 206], '2.03': [195], '30.79;': [197], '0.01)': [200], '(HR': [203], '9.66,': [204], '1.5': [207], '62.25;': [209], '0.02)': [212], 'cerebrovascular': [213], 'events.Compared': [214], 'disease,': [220], 'there': [221], 'high': [224], 'continuous': [226], 'recurrence': [227], 'patients,': [234], 'which': [235], 'even': [237], 'higher': [238], 'than': [239]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2120963225', 'counts_by_year': [{'year': 2024, 'cited_by_count': 9}, {'year': 2023, 'cited_by_count': 5}, {'year': 2022, 'cited_by_count': 10}, {'year': 2021, 'cited_by_count': 3}, {'year': 2020, 'cited_by_count': 7}, {'year': 2019, 'cited_by_count': 8}, {'year': 2018, 'cited_by_count': 5}, {'year': 2017, 'cited_by_count': 8}, {'year': 2016, 'cited_by_count': 8}, {'year': 2015, 'cited_by_count': 7}, {'year': 2014, 'cited_by_count': 11}, {'year': 2013, 'cited_by_count': 6}, {'year': 2012, 'cited_by_count': 6}], 'updated_date': '2025-01-06T12:19:54.510975', 'created_date': '2016-06-24'}