Method: Equally divide 32 patients with cardiac failure into two groups-a metoprolol group and a cedilanid group; then adopt the two said medicines above to treat the patients respectively.

方法：32例心力衰竭患者平分为两组-美托洛尔组和西地兰组，分别采用上述两种药物治疗。

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Method: Equally divide 32 patients with cardiac failure into two groups-a metoprolol group and a cedilanid group; then adopt the two said medicines above to treat the patients respectively.

方法：32例心力衰竭患者平分为两组-美托洛尔组和西地兰组，分别采用上述两种药物治疗。

youdao