1. Stopping smoking after myocardial infarction;Burt;Lancet,1974
2. A survey of doctors' attitudes to smoking;Fletcher;Br. J. prev. soc. Med.,1969
3. Characteristics of smokers, non-smokers and ex-smokers among 10,000 adult males in Israel;Goldbourt,1975
4. Ex-smokers;Hammond;N.Y. St. J. Med.,1958
5. Adults' and Adolecsents' Smoking Habits;McKennell,1967