{"id":"https://openalex.org/A5113374437","orcid":"https://orcid.org/0000-0003-1146-1753","observed_orcids":["https://orcid.org/0000-0003-1146-1753"],"display_name":"Valentine Cheba Koyiri","raw_author_names":["Valentine Cheba Koyiri","Valentine Koyiri Cheba"],"full_name":"Valentine Cheba Koyiri","works_count":8,"cited_by_count":20,"summary_stats":{"2yr_mean_citedness":0.25,"h_index":2,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5113374437","orcid":"https://orcid.org/0000-0003-1146-1753","observed_orcids":["https://orcid.org/0000-0003-1146-1753"]},"affiliations":[{"institution":{"id":"https://openalex.org/I193775966","ror":"https://ror.org/01wjejq96","display_name":"Yonsei University","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I4210159584","ror":"https://ror.org/052ss8w32","display_name":"Ghana Health Service","country_code":"GH","type":"government","lineage":["https://openalex.org/I111406484","https://openalex.org/I4210159584"]},"years":[2024,2023,2022]},{"institution":{"id":"https://openalex.org/I83291730","ror":"https://ror.org/052nhnq73","display_name":"University for Development Studies","country_code":"GH","type":"education","lineage":["https://openalex.org/I83291730"]},"years":[2026,2023]}],"last_known_institutions":[{"id":"https://openalex.org/I193775966","ror":"https://ror.org/01wjejq96","display_name":"Yonsei University","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]},{"id":"https://openalex.org/I83291730","ror":"https://ror.org/052nhnq73","display_name":"University for Development Studies","country_code":"GH","type":"education","lineage":["https://openalex.org/I83291730"]}],"topics":[{"id":"https://openalex.org/T12167","display_name":"Bacterial Identification and Susceptibility Testing","count":5,"subfield":{"id":"https://openalex.org/subfields/1308","display_name":"Clinical Biochemistry"},"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/T10873","display_name":"Bacterial Infections and Vaccines","count":4,"subfield":{"id":"https://openalex.org/subfields/2404","display_name":"Microbiology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10897","display_name":"Antibiotic Use and Resistance","count":3,"subfield":{"id":"https://openalex.org/subfields/2402","display_name":"Applied Microbiology and Biotechnology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10147","display_name":"Antibiotic Resistance in Bacteria","count":2,"subfield":{"id":"https://openalex.org/subfields/1313","display_name":"Molecular Medicine"},"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/T11381","display_name":"Infectious Diseases and Tuberculosis","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/T12167","display_name":"Bacterial Identification and Susceptibility Testing","value":1.53e-05,"subfield":{"id":"https://openalex.org/subfields/1308","display_name":"Clinical Biochemistry"},"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/T10873","display_name":"Bacterial Infections and Vaccines","value":1.19e-05,"subfield":{"id":"https://openalex.org/subfields/2404","display_name":"Microbiology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10897","display_name":"Antibiotic Use and Resistance","value":8.5e-06,"subfield":{"id":"https://openalex.org/subfields/2402","display_name":"Applied Microbiology and Biotechnology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11961","display_name":"Neonatal and Maternal Infections","value":7.4e-06,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T11381","display_name":"Infectious Diseases and Tuberculosis","value":5.1e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.777999997138977},{"id":"501593827","wikidata":"https://www.wikidata.org/wiki/Q12187","display_name":"Antibiotics","score":0.5788999795913696},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.4372999966144562},{"id":"523546767","wikidata":"https://www.wikidata.org/wiki/Q10876","display_name":"Bacteria","score":0.43317320942878723},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.3905999958515167}],"counts_by_year":[{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":1},{"year":2023,"works_count":2,"oa_works_count":2,"cited_by_count":18},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2026,"works_count":3,"oa_works_count":3,"cited_by_count":1}],"display_name_alternatives":["Valentine Cheba Koyiri","Valentine Koyiri Cheba"],"block_key":"v koyiri","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113374437","updated_date":"2026-10-12T12:34:37","created_date":"2025-10-10T00:00:00"}
