{"id":"https://openalex.org/A5113733694","orcid":null,"observed_orcids":[],"display_name":"Keiji YAMAZAKI","raw_author_names":["Keiji YAMAZAKI","Keiji Yamazaki"],"full_name":"Keiji Yamazaki","works_count":18,"cited_by_count":156,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5113733694","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210102290","ror":"https://ror.org/019rdg506","display_name":"Saiseikaisenri Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210102290"]},"years":[2007,2004]},{"institution":{"id":"https://openalex.org/I4210113343","ror":"https://ror.org/024ran220","display_name":"Kansai Rosai Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210113343"]},"years":[2001,2000,1999,1997,1996,1991]}],"last_known_institutions":[{"id":"https://openalex.org/I4210102290","ror":"https://ror.org/019rdg506","display_name":"Saiseikaisenri Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210102290"]}],"topics":[{"id":"https://openalex.org/T10696","display_name":"Gastric Cancer Management and Outcomes","count":4,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T10231","display_name":"Pancreatic and Hepatic Oncology Research","count":3,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T11658","display_name":"Esophageal and GI Pathology","count":3,"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/T10335","display_name":"Colorectal Cancer Surgical Treatments","count":2,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T10518","display_name":"Gallbladder and Bile Duct Disorders","count":2,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T13314","display_name":"Lymphadenopathy Diagnosis and Analysis","value":1.9e-05,"subfield":{"id":"https://openalex.org/subfields/2734","display_name":"Pathology and Forensic 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/T12187","display_name":"Glutathione Transferases and Polymorphisms","value":1.83e-05,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12064","display_name":"Intraperitoneal and Appendiceal Malignancies","value":1.35e-05,"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/T13110","display_name":"Colorectal and Anal Carcinomas","value":1.26e-05,"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/T12150","display_name":"Intestinal Malrotation and Obstruction Disorders","value":1.22e-05,"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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9787561893463135},{"id":"121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","score":0.6193979978561401},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6077243089675903},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6014314889907837},{"id":"90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","score":0.5330091118812561}],"counts_by_year":[{"year":1991,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2003,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["Keiji YAMAZAKI","Keiji Yamazaki"],"block_key":"k yamazaki","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113733694","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}
