Cure for night blindness.
D000818:Animals; D002648:Child; D003318:Corneal Opacity / Q000628:therapy; D006801:Humans; D007214:Indonesia; D008099:Liver; D008460:Meat; D009755:Night Blindness / Q000628:therapy*; D012756:Sheep; D014802:Vitamin A Deficiency / Q000628:therapy