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为30只雄性鼠肌肉内注射肉毒杆菌毒素A（BOTOXA）后，测量其复合肌肉动作电位（CMAP）的振幅及肌力，以研究BOTOX作用的时间过程，以及使用的总剂量和浓度对CMAP的影响。实验动物分4组，每组5只，10只作对照组。在鼠的左腿胖肠肌注射BOTOXA，组1注射O．lml中含0．su；组Za：0．
Thirty male rats were injected intramuscularly with botulinum toxin A (BOTOXA), and their amplitude and muscle strength of the compound muscle action potential (CMAP) were measured to study the time course of BOTOX action and the effect of total dose and concentration used on CMAP Impact. The experimental animals were divided into 4 groups, 5 in each group and 10 in the control group. BOTOXA was injected into the left leg of the rat, and Group 1 was injected with O. lml contains 0. su; group Za: 0.