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Qidong is a rural county in eastern China with particularly good facilities for epidemiological research: cigarette use by adult males is widespread (70% now smoke), male lung cancer rates already appear to be rising, the population is stable and well served by a county-wide network of health care facilities, and systematic county-wide registration of all deaths has existed since the mid-1970s, causes currently being assigned according to the 9th International Classification of Diseases.


Journal article


IARC Sci Publ

Publication Date



502 - 506


Adolescent, Adult, Aged, Cause of Death, Child, Child, Preschool, China, Female, Humans, Infant, Lung Neoplasms, Male, Middle Aged, Mortality, Prevalence, Prospective Studies, Smoking, Time Factors