Recommended levels of folic acid and vitamin B12 fortification: conclusions.
D000569:Americas; D005492:Folic Acid / Q000008:administration & dosage*; D006801:Humans; D009751:Nutritional Requirements; D014805:Vitamin B 12 / Q000008:administration & dosage*
D005492:Folic Acid; D014805:Vitamin B 12