Raymond S. Greenberg, ''Stephen R. Daniels, W. Dana Flanders, John William Eley, John R. Boring, III'' <br/><br/>
Medical Epidemiology/ 
Raymond S. Greenberg. 
 - 4th ed 
 - New York. :  Lange Medical Books,  2005. 
 - 254p. :  ill. ; 
<br/><br/><label>ISBN: </label>0071117466 
<br/><br/><label>LC Class. No.: </label>RA 650.5  / . G7 2005