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我们为了解部队离退休老干部吸烟与肺癌的关系，选择了在膳食习惯、生活条件和所处环境都基本相同的成都、绵阳市26个部队干休所的离退休老干部进行了历时8个月的同群队列调查。现报告如下：调查对象与方法调查对象为干休所的离退休老干部共2568人。均为男性，年龄60岁－84岁．
In order to understand the relationship between retired veteran cadres smoking and lung cancer, we chose retired veterans from 26 military retreats in Chengdu and Mianyang, where the dietary habits, living conditions, and environment are basically the same, took eight months. Cohort survey. The report is as follows: Survey Targets and Methods The survey respondents were retired veterans of 2568 people. All men, aged 60-84 years old.