1. Mortality in relation to smoking: ten years';Doll, R.; Hill, A.B.;observations of British doctors. British Medical Journal,1964
2. Smoking in relation to the death rate of one million men and women;Hammond, E.C.;National Cancer Institute Monograph,1966
3. The Dorn study of smoking and mortality among US veterans: report on 84 years of observation;Kahn, H.A.;National Cancer Institute Monograph,1966
4. Counselling against cigarette smoking. A controlled study from a general practice;Porter, A.M.W.; McCullough, D.M.;Practitioner,1972
5. Cardiorespiratory disease and diabetes among middle-aged male civil servants;Reid, D.D.; Brett, G.Z.; Hamilton, P.J.S.; Jarrett, R.J.; Keen, H.; Rose, G.;Lancet,1974