CONCLUSION: Oxiracetam and piracetam had similar therapeutic effect and safety on VD.

结论：奥拉西坦对血管性痴呆的疗效和安全性与吡拉西坦相近。

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AIM: To evaluate the therapeutic effect and safety of smectite powder in treating peptic ulcer.

目的：评价蒙脱石治疗消化性溃疡的临床疗效与安全性。

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AIM: To evaluate the therapeutic effect and safety of domestic smectite in treating acute diarrhea.

目的：评价国产蒙脱石治疗急性腹泻疾病的临床疗效与安全性。

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