It is hard to pute ddy on the ball with hand-shakegrip .

用横拍很难发出旋球。

METHODS The behavior activity of ddy and ICR mice in light-dark box was observed after sc m-chlorophenylpiperazine ( m CPP ) to induce anxiety .

方法用间氯苯哌嗪（mcpp）诱导产生焦虑，观察ddy小鼠和ICR小鼠在明暗箱的行为表现。

mCPP-induced Anxiety Model in Light-dark Box in ddy Mice & A New Economic and Simple Method for Screening Anxiolytic Activity

ddy小鼠替代大鼠的经济简便的抗焦虑药筛选改进模型&间氯苯哌嗪诱导的小鼠明暗箱焦虑模型