title: The impact of ophthalmology.
authors: Patricia G
authors: PG
authors: Duffel
authors: Thomas A
authors: TA
authors: Weingeist
mesh_terms: D015706:Bibliometrics; D035843:Biomedical Research / Q000592:standards; D055811:Journal Impact Factor; D009885:Ophthalmology; D010506:Periodicals as Topic / Q000592:standards*