TY - BOOK ED - Joint FAO/WHO Expert Group on Requirements of Ascorbic Acid, Vitamin D, Vitamin Bb12s, Folate, and Iron. TI - Requirements of ascorbic acid, vitamin D, vitamin Bb12s, folate, and iron : : report of a Joint FAO/WHO Expert Group T2 - WHO technical report series, no. 452 PY - 1970/// CY - Rome: PB - Food and Agriculture Organization of the United Nations, KW - Nutrition KW - Requirements KW - Deficiency diseases KW - Vitamins in human nutrition N1 - Includes bibliographical references ER -