Emerging tobacco hazards in China: 1. Retrospective proportional mortality study of one million deaths.


OBJECTIVE To assess the hazards at an early phase of the growing epidemic of deaths from tobacco in China. DESIGN Smoking habits before 1980 (obtained from family or other informants) of 0.7 million adults who had died of neoplastic, respiratory, or vascular causes were compared with those of a reference group of 0.2 million who had died of other causes… (More)


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