Vitamin a deficiency and xerophthalmia :  report of a Jont WHO/USAID Meeting. 

 - Geneva :  World Health Organization,  1976. 
 - 88 p. :  ill. 
 - �echnical report series / World Health Organization ;  no. 590. .
 - Technical report series (World Health Organization) ;  no. 590. .
<br/><br/><label>ISBN: </label>9241205903 
<br/><br/><label>LCCN: </label>88991046  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vitamin A deficiency.<br/>Xerophthalmia.