How to deworm school-age children :  instructions for teacher. 

 - Geneva.  World Health Organization.  2004. 
 - 20 p.  ill.  15 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deworm 
<br/><br/><label>National Library of Medicine Call No.: </label>WS 39 H 2004