(2) Peto, R., Lopez A. D., Boreham J., Thun M., Health L., 1994 « Mortality from smoking in developed countries 1950-2000 », Oxford University Press, Oxford, blz. 553.
(2) Peto, R., Lopez AD., Boreham. J., Thun, M., Health L., 1994, « Mortality from smoking in developped countries 1950-2000 », Oxford Press University, Oxford, p. 553.