Merrill,Ray M. <br/><br/>
Introduction to epidemiology 
Ray M. Merrill and Thomas C.Timmreck 
 - 4th ed. 
 - London  Jones and Bartlett publishers  2006 
 - xv,352p.:ill.;  24cm. 
<br/><br/><label>ISBN: </label>13:9780763735821 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.Epidemiology 2. Epidemiologic methods
<br/><br/><label>Dewey Class. No.: </label>614.4  / MER