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周围环境中的卷烟烟雾对本身从不吸烟者的影响越来越明显。美国对一些从未吸烟的妇女进行了检查,其中包括124例原发性肺癌和241名对照妇女。结果表明,儿童期
The impact of cigarette smoke in the surrounding environment on itself never smokers has become increasingly apparent. The United States has examined some women who never smoked, including 124 primary lung cancers and 241 control women. The results show that childhood