Methods The methods of multiple training active avoidance response that include step-down test, step-through test and water maze for mice were used to observe the effect on learning and memory.
方法采用跳台法、避暗法及水迷路法观察漏芦甾酮总提取物对小鼠学习记忆功能的影响；
One step and multiple steps screen methods were established and banana mutants were obtained.
利用一步正筛选与多步正筛选分别获得了抗病突变体。
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