Field epidemiology / 
edited by Michael B. Gregg. 
 - 2nd ed. 
 - Oxford :  Oxford University Press,  2002. 
 - xix, 451 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0195142594  RM200.80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiologic Methods.<br/>Epidemiology--organization & administration.