{"id":"https://openalex.org/A5110080200","orcid":null,"observed_orcids":[],"display_name":"Yoshihiko NISHIKAWA","raw_author_names":["YOSHIHIKO NISHIKAWA","Yoshihiko NISHIKAWA"],"full_name":"Yoshihiko NISHIKAWA","works_count":4,"cited_by_count":30,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":1,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5110080200","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I119182057","ror":"https://ror.org/04mzk4q39","display_name":"SHOWA Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I119182057"]},"years":[1988]},{"institution":{"id":"https://openalex.org/I4210105488","ror":"https://ror.org/01pc3rk31","display_name":"Ito Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210105488"]},"years":[1979,1977,1960]},{"institution":{"id":"https://openalex.org/I4210129756","ror":"https://ror.org/0346ycw92","display_name":"Saiseikai Central Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210129756"]},"years":[1988]},{"institution":{"id":"https://openalex.org/I4210156626","ror":"https://ror.org/0543mcr22","display_name":"SHOWA Medical University Fujigaoka Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210156626"]},"years":[1979]}],"last_known_institutions":[{"id":"https://openalex.org/I119182057","ror":"https://ror.org/04mzk4q39","display_name":"SHOWA Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I119182057"]},{"id":"https://openalex.org/I4210129756","ror":"https://ror.org/0346ycw92","display_name":"Saiseikai Central Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210129756"]}],"topics":[{"id":"https://openalex.org/T10293","display_name":"Thyroid Disorders and Treatments","count":3,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T11728","display_name":"Thyroid and Parathyroid Surgery","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/T10329","display_name":"Thyroid Cancer Diagnosis and Treatment","count":2,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T11089","display_name":"Radioactive contamination and transfer","count":1,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11395","display_name":"Radiopharmaceutical Chemistry and Applications","count":1,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T11728","display_name":"Thyroid and Parathyroid Surgery","value":1.15e-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/T10329","display_name":"Thyroid Cancer Diagnosis and Treatment","value":9e-06,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T10293","display_name":"Thyroid Disorders and Treatments","value":8.6e-06,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T13414","display_name":"Radioactive Decay and Measurement Techniques","value":6e-06,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11538","display_name":"Ophthalmology and Eye Disorders","value":5.6e-06,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"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":0.9568178653717041},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7844946384429932},{"id":"526584372","wikidata":"https://www.wikidata.org/wiki/Q16399","display_name":"Thyroid","score":0.7178113460540771},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.4614165723323822},{"id":"121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","score":0.29840391874313354}],"counts_by_year":[{"year":1960,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":2}],"display_name_alternatives":["YOSHIHIKO NISHIKAWA","Yoshihiko NISHIKAWA"],"block_key":"y nishikawa","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110080200","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}
