Barker, D. J. P. <br/><br/>
Practical epidemiology / 
D.J.P. Barker, A.J. Hall. 
 - 4. ed. 
 - 173 s.  ill. 
 - Medicine in the tropics,  99-0325196-3 .
 - Medicine in the tropics, .
<br/><br/><label>ISBN: </label>0443037876  �6.95 : CIP entry (Feb.) 9780443037870 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology<br/>man<br/>Epidemiology--Developing countries
<br/><br/><label>Dewey Class. No.: </label>614.422724  / BDP