Characteristics of nicotine-dependent cigarette smokers and non-smoking controls.
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SD, standard deviation; CPD, cigarettes smoked per day; FTND, Fagerstrom Test for Nicotine Dependence; Pack-years, smoking years X CPD/20.aMale NDs>female NDs, t(79) = 2.21, p = 0.03.bMale NDs>female NDs, t(79) = 2.81, p = 0.007.
创建时间：
2015-12-02
