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

 - Cambridge  Cambridge University Press  1995 
 - xiv,175 
<br/><br/><label>ISBN: </label>0-521-43979-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiological
<br/><br/><label>Dewey Class. No.: </label>636.08949/Si35E