{"id":"https://openalex.org/A5021099266","orcid":"https://orcid.org/0000-0002-0509-5649","observed_orcids":["https://orcid.org/0000-0002-0509-5649"],"display_name":"G\u00fclfidan Bitirgen","raw_author_names":["B\u0130T\u0130RGEN, G\u00dcLF\u0130DAN","G. Bitirgen","Gulfi dan Bitirgen","Gulfidan Bitirgen","Gulfidan B\u0131t\u0131rgen","G\u00fclfidan Bitirgen","G\u00fclfidan B\u0130T\u0130RGEN"],"full_name":"B\u0130T\u0130RGEN, G\u00dcLF\u0130DAN","works_count":50,"cited_by_count":869,"summary_stats":{"2yr_mean_citedness":0.3333333333333333,"h_index":16,"i10_index":20},"ids":{"openalex":"https://openalex.org/A5021099266","orcid":"https://orcid.org/0000-0002-0509-5649","observed_orcids":["https://orcid.org/0000-0002-0509-5649"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210107659","ror":"https://ror.org/013s3zh21","display_name":"Necmettin Erbakan University","country_code":"TR","type":"education","lineage":["https://openalex.org/I4210107659"]},"years":[2026,2025,2023,2022,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,1995]}],"last_known_institutions":[{"id":"https://openalex.org/I4210107659","ror":"https://ror.org/013s3zh21","display_name":"Necmettin Erbakan University","country_code":"TR","type":"education","lineage":["https://openalex.org/I4210107659"]}],"topics":[{"id":"https://openalex.org/T10250","display_name":"Glaucoma and retinal disorders","count":17,"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"}},{"id":"https://openalex.org/T10170","display_name":"Retinal Diseases and Treatments","count":15,"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"}},{"id":"https://openalex.org/T10997","display_name":"Ocular Surface and Contact Lens","count":15,"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/T10563","display_name":"Corneal surgery and disorders","count":13,"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/T11377","display_name":"Retinal and Macular Surgery","count":7,"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/T12599","display_name":"Retinal and Optic Conditions","value":0.0001157,"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"}},{"id":"https://openalex.org/T10997","display_name":"Ocular Surface and Contact Lens","value":7.56e-05,"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/T10250","display_name":"Glaucoma and retinal disorders","value":5.85e-05,"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"}},{"id":"https://openalex.org/T13467","display_name":"Drug-Induced Ocular Toxicity","value":5.29e-05,"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"}},{"id":"https://openalex.org/T10563","display_name":"Corneal surgery and disorders","value":4.68e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9826431274414062},{"id":"118487528","wikidata":"https://www.wikidata.org/wiki/Q161437","display_name":"Ophthalmology","score":0.8512248396873474},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6478897929191589},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6146684885025024},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.558849036693573}],"counts_by_year":[{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":3,"oa_works_count":2,"cited_by_count":2},{"year":2013,"works_count":3,"oa_works_count":1,"cited_by_count":1},{"year":2014,"works_count":4,"oa_works_count":2,"cited_by_count":10},{"year":2015,"works_count":3,"oa_works_count":2,"cited_by_count":10},{"year":2016,"works_count":3,"oa_works_count":2,"cited_by_count":25},{"year":2017,"works_count":6,"oa_works_count":4,"cited_by_count":35},{"year":2018,"works_count":3,"oa_works_count":2,"cited_by_count":42},{"year":2019,"works_count":4,"oa_works_count":2,"cited_by_count":45},{"year":2020,"works_count":2,"oa_works_count":1,"cited_by_count":74},{"year":2021,"works_count":8,"oa_works_count":8,"cited_by_count":74},{"year":2022,"works_count":4,"oa_works_count":4,"cited_by_count":142},{"year":2023,"works_count":3,"oa_works_count":2,"cited_by_count":117},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":110},{"year":2025,"works_count":2,"oa_works_count":2,"cited_by_count":108},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":72}],"display_name_alternatives":["B\u0130T\u0130RGEN, G\u00dcLF\u0130DAN","G. Bitirgen","Gulfi dan Bitirgen","Gulfidan Bitirgen","Gulfidan B\u0131t\u0131rgen","G\u00fclfidan Bitirgen","G\u00fclfidan B\u0130T\u0130RGEN"],"block_key":"g bitirgen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5021099266","updated_date":"2026-11-03T12:34:24","created_date":"2016-06-24T00:00:00"}
