Is hearing loss due to nutritional deficiency? Further studies on the influence of vitamin A in certain types of impaired hearing.
D003638:Deafness; D034381:Hearing Loss; D006801:Humans; D044342:Malnutrition; D014801:Vitamin A; D014812:Vitamin K; D014815:Vitamins
D014815:Vitamins; D014801:Vitamin A; D014812:Vitamin K
DEAFNESS; VITAMIN A; VITAMINS