Control of vitamin A deficiency and xerophthalmia :  report of a Joint WHO/UNICEF/USAID/Helen Keller International/IVACG Meeting 

 - Geneva :  World Health Organization,  1982 
 - 70 p. :  ill. 
 - Technical report series ;   672 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vitamin A deficiency<br/>Xerophthalmia