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为了解平阴县人体肠道线虫感染10年来趋势,1998年10月,我们用相同对象及方法,对10年前曾调查过的乡村进行了重复调查,现将监测结果对比分析报道如下:1 对象及方法1.1 调查对象 选择1989年5月我们曾经调查过
In order to understand the trend of human intestinal nematode infection in Pingyin County in 10 years, in October 1998, we conducted repeated surveys on villages surveyed 10 years ago using the same objects and methods. The comparative analysis of monitoring results is reported as follows: 1 Subjects and methods 1.1 Survey object selection May 1989 We have investigated