Shah, Ameet Geographic variations in microbial keratitis: an analysis of the peer-reviewed literature. [electronic resource] - The British journal of ophthalmology Jun 2011 - 762-7 p. digital Publication Type: Journal Article; Review ISSN: 1468-2079 Standard No.: 10.1136/bjo.2009.169607 doi Subjects--Topical Terms: Corneal Ulcer--epidemiologyEye Infections, Bacterial--epidemiologyEye Infections, Fungal--epidemiologyEye Infections, Parasitic--epidemiologyHumansKeratitis--epidemiologySocioeconomic Factors