Gordis, Leon,  1934- <br/><br/>
Epidemiology / 
Leon Gordis. 
 - Fourth edition. 
 - Philadelphia :  Elsevier/Saunders,  2009  @2009 
 - xv, 375 p. :  illustration ;  26 cm. 
<br/><br/> This book includes online access at www.studentconsult.com, please refer library staff for the password 
<br/><br/><label>ISBN: </label>9781416040026  RM183.21 1416040021 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.<br/>Epidemiologic Methods.
<br/><br/><label>National Library of Medicine Call No.: </label>WA105  / .G661e 2009 9