WORLD Health Organization <br/><br/>
Indicators for assessing vitamin A deficiency and their application in monitorin 

 - Geneva  World Health Organization  1996 
 - viii, 66 p. 
<br/><br/><label>ISBN: </label>123810 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eye diseases
<br/><br/><label>Dewey Class. No.: </label>617.7  / WOR