Methods:128people were investigated randomly in a Nu ethnic village. The antigens on the red blood cells were detected by the serology methods.
方法：在怒族自然村采用随机抽样调查128人，进行血清学检测定型的方法。
Methods:128people were investigated randomly in a Nu ethnic village. The antigens on the red blood cells were detected by the serology methods.
方法：在怒族自然村采用随机抽样调查128人，进行血清学检测定型的方法。
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