TY - BOOK TI - Requirements of Ascorbic Acid,Vitamin D, Vitamin B12, Folate, and Iron: Report of a Joint FAO/WHO Expert Group T2 - World Health Organization, Technical Report Series No.452 U1 - 615.328 PY - 1970/// CY - Geneva PB - FAO and WHO KW - Nutrition KW - Vitamins KW - Iron ER -