Pollock, Thomas Millar <br/><br/>
Trials of prophylactic agents for the control of communicable diseases : a guide to their organization and evaluation. 

 - 92 p. 
 - WHO monograph series ; no. 52 .
<br/><br/><label>ISBN: </label>9241400528 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vaccines--Administration and usage<br/>Communicable disease control<br/>Clinical trials