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采用聚合酶链反应 限制性片段长度多态性 (ｐｏｌｙｍｅｒａｓｅｃｈａｉｎｒｅａｃｔｉｏｎ ｒｅｓｔｒｉｃｔｉｏｎｆｒａｇｍｅｎｔｌｅｎｇｔｈ ｐｏｌｙｍｏｒｐｈｉｓｍ ,ＰＣＲ ＲＦＬＰ)技术对儿童唾液与胃黏膜中的幽门螺杆菌(Ｈｅｌｉｃｏｂａｃｔｅｒｐｙｌｏｒｉ,
Polymerase chain reaction-restriction fragment length polymorphism (PCR RFLP) was used to detect Helicobacter pylori in children’s saliva and gastric mucosa,