World Health Organisation <br/><br/>
Trials of prophylactic agents for the control of communicable diseases: a guide to their organization and evaluation  prepared by T.M. Pollock. 

 - Geneva  World Health Organization  1966 
 - 92p. 24cm 
 - (World health organization monograph series, No.52). .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine Public health  Communicable diseases. 
<br/><br/><label>Dewey Class. No.: </label>614.5  / P66T