World Health Organization <br/><br/>
Vitamin A Supplements: m a guide to their use in the treatments and prevention of vitamin A deficiency and xerophthalmia  Prepared by WHO and UNICEF, IVACG. 

 - Geneva  World Health Organization  1988 
 - 24p., 24cm. 
<br/><br/><label>Dewey Class. No.: </label>641.18,  / W84V