Requirements of ascorbic acid, vitamin D, vitamin B 12 , folate, and iron.
D001205:Ascorbic Acid; D004032:Diet; D004355:Drug Stability; D005492:Folic Acid; D006801:Humans; D007501:Iron; D009748:Nutrition Disorders; D009751:Nutritional Requirements; D014805:Vitamin B 12; D014807:Vitamin D / Q000633:toxicity
D014807:Vitamin D; D005492:Folic Acid; D007501:Iron; D014805:Vitamin B 12; D001205:Ascorbic Acid