[Laboratory diagnosis of malabsorption: the vitamins].
D001205:Ascorbic Acid; D002446:Celiac Disease; D019411:Clinical Laboratory Techniques; D006801:Humans; D013182:Sprue, Tropical; D014801:Vitamin A; D014805:Vitamin B 12; D014803:Vitamin B Complex; D014812:Vitamin K; D014815:Vitamins
D014815:Vitamins; D014801:Vitamin A; D014803:Vitamin B Complex; D014812:Vitamin K; D014805:Vitamin B 12; D001205:Ascorbic Acid
ASCORBIC ACID; SPRUE; VITAMIN A; VITAMIN B 12