{"id":"https://openalex.org/A5111979686","orcid":null,"observed_orcids":[],"display_name":"Jeffrey Kotzen","raw_author_names":["JEFFREY KOTZEN","Jeffrey A. Kotzen","Jeffrey Allan Kotzen","Jeffrey Allen Kotzen","Jeffrey Kotzen","Kotzen, Jeffrey Allan"],"full_name":"Kotzen, Jeffrey Allan","works_count":19,"cited_by_count":223,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":6,"i10_index":6},"ids":{"openalex":"https://openalex.org/A5111979686","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I192619145","ror":"https://ror.org/03rp50x72","display_name":"University of the Witwatersrand","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]},"years":[2025,2022,2020,2019,2016,2013]},{"institution":{"id":"https://openalex.org/I2799742747","ror":"https://ror.org/047x96110","display_name":"Johannesburg Hospital","country_code":"ZA","type":"healthcare","lineage":["https://openalex.org/I2799742747"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I4210114998","ror":"https://ror.org/02aab7a23","display_name":"Wits University Donald Gordon Medical Centre","country_code":"ZA","type":"healthcare","lineage":["https://openalex.org/I4210114998"]},"years":[2025,2022,2020,2019,2017]}],"last_known_institutions":[{"id":"https://openalex.org/I192619145","ror":"https://ror.org/03rp50x72","display_name":"University of the Witwatersrand","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]},{"id":"https://openalex.org/I4210114998","ror":"https://ror.org/02aab7a23","display_name":"Wits University Donald Gordon Medical Centre","country_code":"ZA","type":"healthcare","lineage":["https://openalex.org/I4210114998"]}],"topics":[{"id":"https://openalex.org/T10668","display_name":"Endometrial and Cervical Cancer Treatments","count":14,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T10146","display_name":"Cervical Cancer and HPV Research","count":13,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10958","display_name":"Ultrasound and Hyperthermia Applications","count":9,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10307","display_name":"Head and Neck Cancer Studies","count":3,"subfield":{"id":"https://openalex.org/subfields/2733","display_name":"Otorhinolaryngology"},"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/T13123","display_name":"Advances in Oncology and Radiotherapy","count":2,"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/T10958","display_name":"Ultrasound and Hyperthermia Applications","value":6e-05,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10668","display_name":"Endometrial and Cervical Cancer Treatments","value":4.58e-05,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T10146","display_name":"Cervical Cancer and HPV Research","value":3.67e-05,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T13123","display_name":"Advances in Oncology and Radiotherapy","value":2.75e-05,"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"}},{"id":"https://openalex.org/T13110","display_name":"Colorectal and Anal Carcinomas","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":0.984550952911377},{"id":"2778220009","wikidata":"https://www.wikidata.org/wiki/Q160105","display_name":"Cervical cancer","score":0.8308948874473572},{"id":"509974204","wikidata":"https://www.wikidata.org/wiki/Q180507","display_name":"Radiation therapy","score":0.6730687022209167},{"id":"121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","score":0.6549382209777832},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.608622670173645}],"counts_by_year":[{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":2},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":10},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2018,"works_count":2,"oa_works_count":0,"cited_by_count":1},{"year":2019,"works_count":4,"oa_works_count":3,"cited_by_count":108},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":75},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":27},{"year":2025,"works_count":2,"oa_works_count":2,"cited_by_count":0}],"display_name_alternatives":["JEFFREY KOTZEN","Jeffrey A. Kotzen","Jeffrey Allan Kotzen","Jeffrey Allen Kotzen","Jeffrey Kotzen","Kotzen, Jeffrey Allan"],"block_key":"j kotzen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111979686","updated_date":"2026-10-22T12:30:21","created_date":"2025-10-10T00:00:00"}
