van der Burgh C
S Afr Med J. 1979 Jun 9;55(24):975-8.
An analysis of the smoking habits of the population groups in the Republic of South Africa indicates an alarmingly high incidence of smoking, particularly among Coloureds. Significant numbers of men and women in all the population groups, especially Whites, are former smokers.
对南非共和国不同人群吸烟习惯的分析表明,吸烟率高得惊人,尤其是在有色人种中。所有人群中,尤其是白人,有相当数量的男性和女性已戒烟。