1. Fit an age-cohort model to the known data from at 4267 x 0-804 (age 25-29, years 1966-70), to yield 1946, to give a set of age and cohort estimates
2. Cohort analysis of cigarette smoking and of mortality from four associated diseases;Todd, G.F.; Lee, P.N.; Wilson, M.J.,3.).
3. Smoking or health: the third report from the Royal College of Physicians of London;of Physicians, Royal College,1977
4. Smoking and lung cancer: a cohort data study of men and women in England and Wales 1935-70;Townsend, J.L.;J R Statist Soc(A),1978
5. The causes of cancer: quantitative estimates of avoidable risks of cancer in the United States today;Doll, R.; Peto, R.;J Natl Cancer Inst,1981