Barker, D. J. P <br/><br/>
Epidemiology in medical practice 

 - 2nd ed 
 - Edinburgh ; New York:  Churchill Livingston,  1979 
 - viii, 151 p. : ill. ; 21 cm 
<br/><br/><label>ISBN: </label>443018510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology
<br/><br/><label>Dewey Class. No.: </label>RA651 .B36 1979 614.4