Brownson, Ross C.  Petitti, Diana B. <br/><br/>
Applied Epidemiology : Theory to practice  

 - New York  Oxford University   1998 
 - 396p.  xvi 
<br/><br/> Book 
<br/><br/><br/>Eng. 
<br/><br/><label>ISBN: </label>01951111907 
<br/><br/><label>National Library of Medicine Call No.: </label>WA 105