Cigarette smoking and bronchial carcinoma: dose and time relationships among regular smokers and lifelong non-smokers.
In a 20-year prospective study on British doctors, smoking habits were ascertained by questionnaire and lung cancer incidence was monitored. Among cigarette smokers who started smoking at ages 16-25 and who smoked 40 or less per day, the annual lung cancer incidence in the age range 40-79 was:0.273X...
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| 格式: | Journal article |
| 语言: | English |
| 出版: |
1978
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