Jekel's epidemiology, biostatistics, preventive medicine, and public health / 
by David L. Katz ... [et al.]. 
 - 4th ed. 
 - Philadelphia, Pa. ;  London :  Saunders,  c2014. 
 - xiii, 405 p. : 
<br/><br/> Formal title: Epidemiology, biostatistics, preventive medicine.  Includes Internet access. 
<br/><br/><label>ISBN: </label>9781455706587 (pbk.) 1455706582 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.<br/>Medical statistics.<br/>Medicine, Preventive.<br/>Public health.