Merrill, Ray M. <br/><br/>
Introduction to epidemiology 
Ray M. Merrill, Thomas C. Timmreck. 
 - 4th ed.. 
 - Boston  Jones and Bartlett Publications  2006 
 - ix,352 p.: ill.; 24 cm. 
<br/><br/><label>ISBN: </label>763735825 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.
<br/><br/><label>Dewey Class. No.: </label>614.4  / M56I