Lilienfeld's foundations of epidemiology / 
edited by Dona Schneider, David E. Lilienfeld. 
 - Fourth Edition. 
 - xiv, 333 pages :  illustrations ;  24 cm 
<br/><br/><label>ISBN: </label>9780195377675  RM200.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiologic Methods.<br/>Epidemiology.