Friedman, Gary D.,  1934- <br/><br/>
Primer of epidemiology / 
Gary D. Friedman 
 - 5th ed. 
 - New York :  McGraw-Hill,  2004 
 - x, 401 p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label>0071402586 (pbk.)  RM120.28 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology
<br/><br/><label>National Library of Medicine Call No.: </label>WA105