Friedman, Gary D.,  1934- <br/><br/>
Primer of epidemiology / 
Gary D. Friedman. 
 - Third edition 
 - xiv, 305 pages. :  illustrations; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0070224366 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.
<br/><br/><label>LC Class. No.: </label>RA651 FRI