治疗组在常规治疗基础上给予前列地尔和小牛血去蛋白提取物治疗，对照组在常规治疗基础上给予甲钴胺。
Treament group were received conventional therapy and alprostadil with deproteinized calf blood extractives injection, control group were received conventional therapy and mecobalamine.
治疗组在常规治疗基础上给予前列地尔和小牛血去蛋白提取物治疗，对照组在常规治疗基础上给予甲钴胺。
Treament group were received conventional therapy and alprostadil with deproteinized calf blood extractives injection, control group were received conventional therapy and mecobalamine.
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