Epidemiology 
Leon Gordis 
 - 5th edition 
 - Philadelphia, PA :  Elsevier/Saunders,   ©2014 
 - xiii, 392 pages;  illustrations (chiefly colour) ;   26 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781455737338 
<br/><br/><label>LC Class. No.: </label>RA651  / .G58 2014