Sommer, Alfred <br/><br/>
Field guide to the detection and control of xerophthalmia 

 - Geneva:   World Health Organizations,   1978 
 - 47p. 
<br/><br/><label>ISBN: </label>92-4-154-127-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Detection
<br/><br/><label>Subjects--Index Terms: </label>xerophthalmia 
<br/><br/><label>Universal Decimal Class. No.: </label>617.711-004.1  / L8