Schistosomiasis or Bilharziasis 

 - London:  The Ross Institute information advisory service;  1979. 
 - 34 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schistosomiasis- control<br/>Schistosomes
<br/><br/><label>Dewey Class. No.: </label>616.963   / SCH