Requirements of ascorbic acid, vitamin D, vitamin Bb12s, folate, and iron :    report of a Joint FAO/WHO Expert Group. 

 - Rome:    Food and Agriculture Organization of the United Nations,    1970. 
 - 75 p. :    ill. ;    23 cm. 
 - FAO nutrition meetings report series ;    no. 47 .
 - WHO technical report series, no. 452 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Nutrition -- Requirements.<br/> Deficiency diseases.<br/> Vitamins in human nutrition.