Snail control in the prevention of bilharziasis. 

 - Geneva  World Health Organization  1965. 
 - 255 pages :   illustration, ;   22 cm. 
 - Monograph series (World Health Organization) ; no.50. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schistosomiasis<br/>Snails as carriers of disease