[On the problem of vitamin A deficiency in epidemic hepatitis in infants].
D058872:Epidemics; D006505:Hepatitis; D006506:Hepatitis A / Q000150:complications*; D006801:Humans; D007223:Infant; D014802:Vitamin A Deficiency / Q000209:etiology*
HEPATITIS, INFECTIOUS/complications; VITAMIN A DEFICIENCY/etiology