WHO <br/><br/>
Helminth control in school-age children: a guide for managers of control programmes 

 - 2da. ed. 
 - Suiza  World Health Organization  2011 
 - 76 Páginas  26x21 cmts. 
<br/><br/>
<br/><br/><br/>Ingles 
<br/><br/><label>ISBN: </label>978924158267 
<br/><br/><label>Dewey Class. No.: </label>M20957