5Sterling T D,Weinkam J J.Reanalysis of lung cancer mortality in a National Caner Institute study on mortality among industrial workers exposed to formaldehyde[J].Exp Pathol,1989,37(1-4):126-32.
9Sterling TD, Weikam JJ. Reanalysis of lung cancer mor tality in a national caner institute study on mortality a mong industrial workers exposed to formaldehyde [J] Exp Pathol, 1989,37( 1 -4) : 126- 132.