MacMahon, Brian, <br/><br/>
Epidemiology :  principles and methods / 
Brian MacMahon, Thomas F. Pugh. 
 - Boston :  Little, Brown,  1970. 
 - ix, 376 p. : 
<br/><br/><label>ISBN: </label>CSMCH764 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.
<br/><br/><label>Dewey Class. No.: </label>614.49  / Ep