Merrill, Ray M. <br/><br/>
Introduction to epidemiology / 

 - Fourth edition 
 - Boston :   Jones & Bartlett Pub.,   c2006. 
 - xv,   352 p. : ill. ;   25 cm. 
<br/><br/>Includes bibliographical references and index.<br/> 
<br/><br/><label>ISBN: </label>9780763735821 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Epidemiology. <br/>2. Epidemics.
<br/><br/><label>Dewey Class. No.: </label>Circ. 614.4 M571i 2006