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为了了解结核病院工作人员的感染情况，我们于1996年3月对416名既往无结核病史的工作人员进行了结核菌素试验，结果如下：1对家采用整群抽样方法，集中了我院结核病区4败名既往无结核病史的工作人员进行检查。年龄姐一64岁，平均年龄38．8岁。其中男性122人，女性294人。?..
In order to understand the infection situation of TB staff, we conducted a tuberculin test on 416 staff without previous history of TB in March 1996. The results are as follows: 1 The cluster sampling method was used to collect TB in our hospital. District 4 has been dubbed by staff who had no prior history of tuberculosis. The age sister is 64 years old and the average age is 38.8 years old. Among them, there are 122 males and 294 females. ?..