The corneal ulcer. 3. Causes--micro-organisms.
D000818:Animals; D002371:Cat Diseases / Q000209:etiology*; D002415:Cats; D003320:Corneal Ulcer / Q000662:veterinary*; D004283:Dog Diseases / Q000209:etiology*; D004285:Dogs; D007239:Infections / Q000662:veterinary*