Fletcher, Robert H. <br/><br/>
Clinical epidemiology :  the essentials / 
Robert H. Fletcher, Suzanne W. Fletcher, Edward H. Wagner 
 - 3rd ed. 
 - Philadelphia, Pa. :  Lippincott,  c1996 
 - 276 p. :  ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0683032690 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CLINICAL EPIDEMIOLOGY<br/>EPIDEMIOLOGIC METHODS
<br/><br/><label>LC Class. No.: </label>RA652.2 .C55  / F537C 1996