Results the way of constructing failure model of rats in this paper could decrease death rate compared with the conventional method.

结果与常规方法相比，本实验心衰组大鼠术后死亡率可见减少。

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Objective: To deepen the understanding of early aortic dissection, increase early diagnosis, early treatment, improve prognosis, decrease death rate.

目的：强化对急性主动脉夹层分离的认识，以期早警觉、早诊断、早治疗，改善预后，降低死亡率。

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In order to decrease death rate of acute organophosphorous insecticides poisoning, must cure with dialectic thought to understand the system therapy correctly.

解决急性有机磷农药中毒病死率居高不下的问题，必须提高救治中的辩证思维。

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The decrease in deaths from breast cancer accounted for 37 percent of the reduction in the death rate among women during the 15-year period.

CNN: Cancer death rate dropped nearly 20 percent in 15 years