Serum vitamin C of Iowa school children and its relationship to diet and age.
D000375:Aging; D001205:Ascorbic Acid / Q000097:blood*; D002648:Child; D004032:Diet; D006801:Humans; D007484:Iowa; D014815:Vitamins
D014815:Vitamins; D001205:Ascorbic Acid
AGING/effects; VITAMIN C/in blood