Research methods in occupational epidemiology /
Checkoway, Harvey.
Research methods in occupational epidemiology / Harvey Checkoway, Neil Pearce, Douglas J. Crawford-Brown. - New York : Oxford University Press, 1989. - xviii, 344 p. :
0195052242 (alk. paper) :
Industrial hygiene.
616.9803072 / Re
Research methods in occupational epidemiology / Harvey Checkoway, Neil Pearce, Douglas J. Crawford-Brown. - New York : Oxford University Press, 1989. - xviii, 344 p. :
0195052242 (alk. paper) :
Industrial hygiene.
616.9803072 / Re