Vitamin A supplements  a guide to their use in the treatment and prevention of vitamin A deficiency and xerophthalmia 
prepared by a WHO/UNICEF/IVACG Task Force 
 - 2nd ed. 
 - Geneva  World Health Organization  1997 
 - 28 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>9241545062 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vitamin A--Therapeutic use.<br/>Vitamin A deficiency--Drug therapy.<br/>Vitamin A deficiency--Prevention & control.<br/>Xerophthalmia--Drug therapy.<br/>Xerophthalmia--Prevention & control.