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为了解山区不同人群ＨＢｓＡｇ携带状况，采用酶联免疫吸附试验对１９９３～１９９７年山区不同人群进行ＨＢｓＡｇ检测，结果表明：山区人群ＨＢｓＡｇ阳性率有明显下降趋势，不同人群ＨＢｓＡｇ携带差异有高度显著性，Ｐ＜００１。
In order to understand the status of HBsAg carried by different populations in mountainous area, ELISA was used to detect the HBsAg of different populations from 1993 to 1997 in mountainous area. The results showed that the positive rate of HBsAg in mountainous area was significantly decreased, the difference of HBsAg in different population was highly significant, P <001.