Fletcher, Robert H. <br/><br/>
Clinical epidemiology :  the essentials / 
Robert H. Fletcher, Suzanne W. Fletcher 
 - 4th ed. 
 - Philadelphia :  Lippincott Williams & Wilkins,  2005 
 - xv, 252 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0781752159  RM141.12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiologic Methods
<br/><br/><label>National Library of Medicine Call No.: </label>WA950  / .F614c 2005 9 WA950  / .F614c 2005 9HUKM