Barker, David James Purslove <br/><br/>
Practical epidemiology/ 
D. J. P. Barker with chapters by F.J. Bennett 
 - UK:  English Language Book Society/Churchill Livingstone,  1982 
 - 159p.:  ill.;  22cm 
<br/><br/><label>ISBN: </label>0443035539 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology
<br/><br/><label>National Library of Medicine Call No.: </label>WA105