title: The cornea and trachoma in developing countries. Experience in one the Gulf States (Qatar).
mesh_terms: D000293:Adolescent; D000328:Adult; D001211:Asia, Western; D002648:Child; D003318:Corneal Opacity / Q000453:epidemiology* / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012029:Refraction, Ocular; D012737:Sex Factors; D014141:Trachoma / Q000150:complications / Q000453:epidemiology*