Ashton, John, <br/><br/>
The Epidemiological Imagination : 

 -  McGraw-Hill Education (UK),  1994. 
 - 222 pages 
<br/><br/><label>ISBN: </label>9780335191000 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical.
<br/><br/><label>Dewey Class. No.: </label>614.4  / ASH