Characteristics for non-smokers and smokers (group 1).
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Values are given as median (range). Pack years = (number cigarettes smoked per day)/(content of 1 packet of cigarettes (20)) * years as a smoker.
创建时间:
2015-12-02

Values are given as median (range). Pack years = (number cigarettes smoked per day)/(content of 1 packet of cigarettes (20)) * years as a smoker.