Key points are not available for this paper at this time.
Journal Article CIGARETTE SMOKING AND EXPOSURE TO OCCUPATIONAL HAZARDS Get access GARY D. FRIEDMAN, GARY D. FRIEDMAN Reprint requests to Dr. Friedman. Search for other works by this author on: Oxford Academic PubMed Google Scholar ABRAHAM B. SIEGELAUB, ABRAHAM B. SIEGELAUB Search for other works by this author on: Oxford Academic PubMed Google Scholar CARL C. SELTZER CARL C. SELTZER 2Harvard School of Public HealthBoston, Mass Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 98, Issue 3, September 1973, Pages 175–183, https://doi.org/10.1093/oxfordjournals.aje.a121546 Published: 01 September 1973 Article history Received: 14 April 1973 Published: 01 September 1973
Friedman et al. (Sat,) studied this question.