{"id":"https://openalex.org/A5110162670","orcid":null,"observed_orcids":[],"display_name":"Seiji Tsunada","raw_author_names":["SEIJI TSUNADA","Seiji TSUNADA","Seiji Tsunada","Tsunada, Seiji"],"full_name":"Seiji Tsunada","works_count":105,"cited_by_count":2308,"summary_stats":{"2yr_mean_citedness":1.5,"h_index":29,"i10_index":49},"ids":{"openalex":"https://openalex.org/A5110162670","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I121820613","ror":"https://ror.org/05ect4e57","display_name":"Louisiana State University","country_code":"US","type":"education","lineage":["https://openalex.org/I121820613"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I177136067","ror":"https://ror.org/04f4wg107","display_name":"Saga University","country_code":"JP","type":"education","lineage":["https://openalex.org/I177136067"]},"years":[2010,2009,2008,2007,2006,2005,2004,2003,2002,1999,1995,1994,1992]},{"institution":{"id":"https://openalex.org/I4210092011","ror":"https://ror.org/00g51j712","display_name":"Saga Medical School Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210092011"]},"years":[2010,2009,2008,2007,2006,2005,2004,2003,2002,1999,1995,1994,1992]},{"institution":{"id":"https://openalex.org/I4210137409","ror":"https://ror.org/03ntccx93","display_name":"National Hospital Organization","country_code":"JP","type":"government","lineage":["https://openalex.org/I4210137409"]},"years":[2024,2023,2022,2021,2019,2018,2017]},{"institution":{"id":"https://openalex.org/I4210141644","ror":"https://ror.org/044q21j42","display_name":"Ureshino Medical Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4210141644"]},"years":[2025,2024,2023,2022,2021,2019,2018,2017]},{"institution":{"id":"https://openalex.org/I81020160","ror":"https://ror.org/03151rh82","display_name":"Louisiana State University Health Sciences Center Shreveport","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I121820613","https://openalex.org/I81020160"]},"years":[2003]}],"last_known_institutions":[{"id":"https://openalex.org/I4210141644","ror":"https://ror.org/044q21j42","display_name":"Ureshino Medical Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4210141644"]}],"topics":[{"id":"https://openalex.org/T11378","display_name":"Gastrointestinal Bleeding Diagnosis and Treatment","count":38,"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/T10552","display_name":"Colorectal Cancer Screening and Detection","count":20,"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":17,"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/T10696","display_name":"Gastric Cancer Management and Outcomes","count":15,"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/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","count":14,"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/T11378","display_name":"Gastrointestinal Bleeding Diagnosis and Treatment","value":0.000105,"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/T10552","display_name":"Colorectal Cancer Screening and Detection","value":9.1e-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/T10916","display_name":"Surgical Simulation and Training","value":6.91e-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/T11658","display_name":"Esophageal and GI Pathology","value":6.71e-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/T11924","display_name":"Polyamine Metabolism and Applications","value":6.08e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9813863039016724},{"id":"90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","score":0.8151525855064392},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.802173376083374},{"id":"2778451229","wikidata":"https://www.wikidata.org/wiki/Q212809","display_name":"Endoscopy","score":0.7675766944885254},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6656103134155273}],"counts_by_year":[{"year":1992,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":11,"oa_works_count":3,"cited_by_count":0},{"year":2004,"works_count":5,"oa_works_count":4,"cited_by_count":0},{"year":2005,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2006,"works_count":12,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":148},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":112},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":122},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":124},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":75},{"year":2017,"works_count":6,"oa_works_count":1,"cited_by_count":97},{"year":2018,"works_count":5,"oa_works_count":5,"cited_by_count":84},{"year":2019,"works_count":3,"oa_works_count":2,"cited_by_count":91},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":88},{"year":2021,"works_count":5,"oa_works_count":4,"cited_by_count":98},{"year":2022,"works_count":4,"oa_works_count":4,"cited_by_count":103},{"year":2023,"works_count":12,"oa_works_count":2,"cited_by_count":75},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":122},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":103},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":104}],"display_name_alternatives":["SEIJI TSUNADA","Seiji TSUNADA","Seiji Tsunada","Tsunada, Seiji"],"block_key":"s tsunada","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110162670","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5110162670","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}
