Merrill, R M. <br/><br/>
Introduction to Epidemiology 

 - 4th ed. 
 - Boston  Jones & Bartlett  2006 
 - xv, 352p. : ill. ; 26 cm. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Dewey Class. No.: </label>614.4 MER