实验组与对照组沉淀环阳性率比较，相差非常显著（P<0.01）。
There was significant difference in positive rates between the experimental group and the control ( P<0. 01).
以蛋白酶K消化、苯酚及氯仿抽提以及异丙醇沉淀的方法提取全基因组DNA。
DNA was extracted by proteinase K digestion, phenol and chloroform extraction as well as isopropanol precipitation.
结论：联合应用冷沉淀与凝血酶原复合物在创伤性失血患者治疗中，联合输注组比单独输注组疗效更显著。
Conclusion: Combination of cryoprecipitate and prothrombin complex concentrate for traumatic hemorrhage has better effects than cryoprecipitate or prothrombin complex concentrate alone.
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