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为了解吸烟对人体心肺的影响，特别是吸烟者心肺在X残片上的变化情况。作者对105例吸烟者心胸面积比值进行测量分析。并与200例正常人心胸面积比值对照，其结果报道如下。资料与方法1．1．一般资料作者选择了105例男性吸烟者，经询问病史．无慢性支气管炎、支气管扩张、肺结核
In order to understand the impact of smoking on the heart and lungs of the human body, especially the change of cardiopulmonary resuscitation on the X fragments of smokers. The authors measured the ratio of cardiothoracic area in 105 smokers. And with 200 normal heart thoracic area ratio control, the results reported below. Materials and Methods 1.1. General Information The authors selected 105 male smokers who were asked about their medical history. No chronic bronchitis, bronchiectasis, tuberculosis