MacMahon, Brian,  1923 - <br/><br/>
Epidemiology :  principles and Methods / 
Brian MacMahon, Thomas F. Pugh 
 - Boston :  Little, Brown,  1970, 
 - ix, 376 p. 
<br/><br/><label>ISBN: </label>0-316-54259-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiologia -
<br/><br/><label>Dewey Class. No.: </label>614.4'9  / M113e