{"id":"https://openalex.org/A5014102004","orcid":"https://orcid.org/0000-0003-2222-9757","observed_orcids":["https://orcid.org/0000-0003-2222-9757"],"display_name":"Yoshiko Sagara","raw_author_names":["Y Sagara","Y. Sagara","Yoshiko SAGARA","Yoshiko Sagara"],"full_name":"Sagara, Yoshiko","works_count":37,"cited_by_count":1634,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":20,"i10_index":23},"ids":{"openalex":"https://openalex.org/A5014102004","orcid":"https://orcid.org/0000-0003-2222-9757","observed_orcids":["https://orcid.org/0000-0003-2222-9757"]},"affiliations":[{"institution":{"id":"https://openalex.org/I188815454","ror":"https://ror.org/01nyv7k26","display_name":"Oita University","country_code":"JP","type":"education","lineage":["https://openalex.org/I188815454"]},"years":[2016,2015,2013,2010,2009,2008,2007,2005]},{"institution":{"id":"https://openalex.org/I4210100366","ror":"https://ror.org/010tb3a87","display_name":"Nagatomi Neurosurgical Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210100366"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I4210118246","ror":"https://ror.org/029fzbq43","display_name":"Oita Prefectural Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210118246"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I4210154860","ror":"https://ror.org/050nkg722","display_name":"Oita University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210154860"]},"years":[2014,2013,2004]},{"institution":{"id":"https://openalex.org/I4405254755","ror":"https://ror.org/026hasc65","display_name":"Shinbeppu Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405254755"]},"years":[2007]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11402","display_name":"Vascular Malformations Diagnosis and Treatment","count":23,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T11929","display_name":"Cerebral Venous Sinus Thrombosis","count":15,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T12622","display_name":"Neurosurgical Procedures and Complications","count":12,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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","count":10,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T10816","display_name":"Cerebrovascular and Carotid Artery Diseases","count":10,"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"}}],"topic_share":[{"id":"https://openalex.org/T11402","display_name":"Vascular Malformations Diagnosis and Treatment","value":0.00019,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T11929","display_name":"Cerebral Venous Sinus Thrombosis","value":0.0001267,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T12622","display_name":"Neurosurgical Procedures and Complications","value":7.11e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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","value":4.69e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T10816","display_name":"Cerebrovascular and Carotid Artery Diseases","value":3.53e-05,"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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9807273745536804},{"id":"2776035437","wikidata":"https://www.wikidata.org/wiki/Q1144114","display_name":"Embolization","score":0.7496313452720642},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.748259961605072},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.5820885896682739},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.0}],"counts_by_year":[{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":5,"oa_works_count":4,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":99},{"year":2013,"works_count":3,"oa_works_count":1,"cited_by_count":99},{"year":2014,"works_count":1,"oa_works_count":1,"cited_by_count":123},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":89},{"year":2016,"works_count":4,"oa_works_count":2,"cited_by_count":98},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":81},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":113},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":100},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":95},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":110},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":76},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":102},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":80},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":71},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":51}],"display_name_alternatives":["Y Sagara","Y. Sagara","Yoshiko SAGARA","Yoshiko Sagara"],"block_key":"y sagara","works_api_url":"https://api.openalex.org/works?filter=author.id:A5014102004","awards_count":1,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5014102004","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}