Silman, Alan J. <br/><br/>
Epidemiological studies : a practical guide 

 - Cambridge   Cambridge University Press  1995 
 - xiv, 175p.  ill.  
<br/><br/><label>ISBN: </label>0521439795 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology<br/>Epidemiologic Methods.
<br/><br/><label>LC Class. No.: </label>RA652.4  / S55