Epidemiology, biostatistics, and preventive medicine / 
James F. Jekel ... [et al.]. 
 - 3rd ed. 
 - Philadelphia :  Saunders/Elsevier,  c2007. 
 - xii, 421 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>141603496X (pbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.<br/>Medical statistics.<br/>Medicine, Preventive.