Gratama, S. <br/><br/>
Onchocerciasis in the South-Eastern territories of Liberia. With studies on the role of Onchocerca volvulus and wuchereria Bancrofti in the pathogenesis of hydrocele and elephantiasis. 

 - 1-135. 
<br/><br/><label>ISBN: </label>0-12-426018-7