采用酸溶碱沉法对三批来源不同的北豆根药材分别进行提取分离，所得有效部位采用冻干技术制成粉针剂。
The effective position are extracted and then they are prepared into powder injection by the technology of freezing.
采用酸溶碱沉法对三批来源不同的北豆根药材分别进行提取分离，所得有效部位采用冻干技术制成粉针剂。
The effective position are extracted and then they are prepared into powder injection by the technology of freezing.
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