Field epidemiology / 
edited by Michael B. Gregg 
 - 3rd ed. 
 - Oxford :  Oxford University Press,  2008 
 - xix, 572 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780195313802  RM209.86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology--organization & administration<br/>Epidemiologic Methods
<br/><br/><label>National Library of Medicine Call No.: </label>WA950  / .F453 2008 9HUKM