{"id":"https://openalex.org/A5017019031","orcid":"https://orcid.org/0000-0002-5560-8844","observed_orcids":["https://orcid.org/0000-0002-5560-8844"],"display_name":"Ayana Ishizaki","raw_author_names":["Ayana ISHIZAKI","Ayana Ishizaki","ISHIZAKI, Ayana"],"full_name":"ISHIZAKI, Ayana","works_count":7,"cited_by_count":25,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":3,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5017019031","orcid":"https://orcid.org/0000-0002-5560-8844","observed_orcids":["https://orcid.org/0000-0002-5560-8844"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210111955","ror":"https://ror.org/02b3e2815","display_name":"Kitasato University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210111955"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I64189623","ror":"https://ror.org/00f2txz25","display_name":"Kitasato University","country_code":"JP","type":"education","lineage":["https://openalex.org/I64189623"]},"years":[2023,2022,2020]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10231","display_name":"Pancreatic and Hepatic Oncology Research","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/T10253","display_name":"Sarcoma Diagnosis and Treatment","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/T10397","display_name":"Nutrition and Health in Aging","count":2,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"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"}},{"id":"https://openalex.org/T12460","display_name":"Pediatric Hepatobiliary Diseases and Treatments","count":2,"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"}}],"topic_share":[{"id":"https://openalex.org/T13697","display_name":"Biliary and Gastrointestinal Fistulas","value":1.47e-05,"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"}},{"id":"https://openalex.org/T10231","display_name":"Pancreatic and Hepatic Oncology Research","value":1.18e-05,"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/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","value":9.9e-06,"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"}},{"id":"https://openalex.org/T12460","display_name":"Pediatric Hepatobiliary Diseases and Treatments","value":9.9e-06,"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/T10397","display_name":"Nutrition and Health in Aging","value":8.1e-06,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"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":0.9681122899055481},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.6264051795005798},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.5981269478797913},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.5654773116111755},{"id":"121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","score":0.2834388017654419}],"counts_by_year":[{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2023,"works_count":4,"oa_works_count":4,"cited_by_count":1},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":9},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":2}],"display_name_alternatives":["Ayana ISHIZAKI","Ayana Ishizaki","ISHIZAKI, Ayana"],"block_key":"a ishizaki","works_api_url":"https://api.openalex.org/works?filter=author.id:A5017019031","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5017019031","updated_date":"2026-11-12T13:17:38","created_date":"2020-12-07T00:00:00"}