Fletcher, Robert H. <br/><br/>
Clinical epidemiology :  the essentials / 
Robert H. Fletcher, Suzanne W. Fletcher, Grant S. Fletcher 
 - 5th ed. 
 - Philadelphia :  Wolters Kluwer/Lippincott Williams & Wilkins Health,  c2014. 
 - 253 p. :  ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781451144475 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiologic Methods
<br/><br/><label>LC Class. No.: </label>RA 652.2.C55 FLE 2014