Vitamin A supplements  A guide to their use in the treatment and prevention of Vi 
WHO/UNICEF/IVACG Task force 
 - 2nd ed 
 - Geneva  World Health Organization  1997 
 - vi,28 
<br/><br/><label>ISBN: </label>9241545062 
<br/><br/><label>Dewey Class. No.: </label>612.399 Vi831