MacMahon, Brian,    1923- <br/><br/>
Epidemiology :   principles and methods /  
Brian MacMahon [and] T homas F. Pugh. 
 - [1st ed.] 
 - Boston :   Little, Brown,   [c1970]. 
 - ix, 376 p. :    ill.;    26 cm. 
<br/><br/><label>ISBN: </label>700001972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.--------
<br/><br/><label>National Library of Medicine Call No.: </label>WA 950   /  M227e 1996