目的了解疾病预防控制人员这一特殊人群吸烟状况。
Objective To investigate the status of smoking among the staff of centers for disease prevention and control in Yuncheng city.
应用一个有效的工具描述患者的吸烟状况，在肺癌的临床试验中是必须的。
Applying a validated instrument to record smoking history in patients participating in clinical trials of lung cancer is essential.
这种ASD风险相关性也不受母亲吸烟状况，怀孕前体重指数和妊娠期体重影响。
The associated ASD risk was also unaffected by the smoking status, pre-pregnancy body mass index and gestational weight of the mothers.
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