Merrill, Ray M. <br/><br/>
Introduction to epidemiology 
Ray M. Merrill. 
 - 7th ed. 
 - Burlington  Jones and Bartlett Learning  2017 
 - xix, 339p: ill.; 28cm. 
<br/><br/><label>ISBN: </label>9781284094350 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology Medicine, Preventive  Public Health. 
<br/><br/><label>Dewey Class. No.: </label>614.4  / M56I