Checkoway, Harvey. <br/><br/>
Research methods in occupational epidemiology / 
Harvey Checkoway, Neil Pearce, Douglas J. Crawford-Brown. 
 - New York :  Oxford University Press,  1989. 
 - xviii, 344 p. : 
<br/><br/><label>ISBN: </label>0195052242 (alk. paper) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial hygiene.
<br/><br/><label>Dewey Class. No.: </label>616.9803072  / Re