World Health Orgnization <br/><br/>
Prevention and control of schistosomiasis and soil-transmitted helminthiasis  report of a WHO expert committee 

 - World health organization, Geneva  2000 
 - vi, 57 
<br/><br/><label>ISBN: </label>92 4 120912 7 
<br/><br/><label>Dewey Class. No.: </label>R614.553 WHO