Letters to the Editor: PDF OnlyMore Comments on SMRCook, Ralph R. M.D., M.P.H.Author Information Director of Epidemiology, Dow Chemical U.S.A., 1603 Building Midland, Ml 48640 Journal of Occupational Medicine: December 1979 - Volume 21 - Issue 12 - p 784,793,795 Free ©1979 The American College of Occupational and Environmental Medicine
