Methods Model of passive smoking of created and control, smoking and anti-oxidant intervention groups were set up.

方法建立被动吸烟模型，设立对照组、吸烟组和抗氧化剂干预组；

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Methods Model of passive smoking of created and control, smoking and anti-oxidant intervention groups were set up.

方法建立被动吸烟模型，设立对照组、吸烟组和抗氧化剂干预组；

youdao