Hypovitaminemia A; effect of vitamin A administration on plasma vitamin A concentration, conjunctival changes, dark adaptation and toad skin.
D000221:Adaptation, Ocular / Q000187:drug effects*; D000818:Animals; D002025:Bufonidae; D003228:Conjunctiva; D003623:Dark Adaptation; D005123:Eye; D006801:Humans; D004364:Pharmaceutical Preparations; D014801:Vitamin A / Q000097:blood*; D014802:Vitamin A Deficiency
D004364:Pharmaceutical Preparations; D014801:Vitamin A
ADAPTATION, OCULAR/effect of drugs on; VITAMIN A DEFICIENCY; VITAMIN A/in blood