Barker, D. J. P. (David James Purslove)  <br/><br/>
Practical epidemiology 
D. J. P. Barker ; with chapters by F. J. Bennett. 
 - Edinburgh:   Churchill Livingstone,   1973. 
 - 168 pages :    illustrations map ;    19 cm. 
<br/><br/>Bibliographies . pages 161. - Index 
<br/><br/><label>ISBN: </label>044301003X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology