{"id":"https://openalex.org/A5111909367","orcid":null,"observed_orcids":[],"display_name":"Maria Hagan","raw_author_names":["M Hagan","Maria Hagan"],"full_name":"Maria Hagan","works_count":5,"cited_by_count":146,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5111909367","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I2803053305","ror":"https://ror.org/01vzp6a32","display_name":"Korle Bu Teaching Hospital","country_code":"GH","type":"healthcare","lineage":["https://openalex.org/I2803053305"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I4210137306","ror":"https://ror.org/03mtd9a03","display_name":"Stanford Medicine","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210137306","https://openalex.org/I97018004"]},"years":[1993]},{"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":[2007]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10381","display_name":"Ophthalmology and Visual Impairment Studies","count":4,"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/T10428","display_name":"Reproductive tract infections research","count":2,"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/T11826","display_name":"Ocular Infections and Treatments","count":2,"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/T10250","display_name":"Glaucoma and retinal disorders","count":1,"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/T10596","display_name":"Child Nutrition and Water Access","count":1,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11731","display_name":"Global Health and Surgery","value":1.47e-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/T10381","display_name":"Ophthalmology and Visual Impairment Studies","value":1.43e-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/T11336","display_name":"Energy and Environment Impacts","value":1.12e-05,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11826","display_name":"Ocular Infections and Treatments","value":8.2e-06,"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/T14384","display_name":"Ophthalmology and Visual Health Research","value":7.8e-06,"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"}}],"x_concepts":[{"id":"2777034029","wikidata":"https://www.wikidata.org/wiki/Q193216","display_name":"Trachoma","score":0.9469878077507019},{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.893451452255249},{"id":"99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","score":0.5792156457901001},{"id":"113807197","wikidata":"https://www.wikidata.org/wiki/Q60894","display_name":"Health education","score":0.4387779235839844},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.08721286058425903}],"counts_by_year":[{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":5},{"year":2001,"works_count":1,"oa_works_count":1,"cited_by_count":41},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":52},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":33},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":15}],"display_name_alternatives":["M Hagan","Maria Hagan"],"block_key":"m hagan","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111909367","updated_date":"2026-10-18T12:41:17","created_date":"2025-10-10T00:00:00"}
