METHODS: Spontaneous contraction of gastric antral circular muscle of rats was recorded by four channel physiograph.

方法：用四道记录仪记录胃窦环行肌条的自发性收缩活动；

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METHODS: Spontaneous contraction of gastric antral circular muscle of rats was recorded by four channel physiograph.

方法：用四道记录仪记录胃窦环行肌条的自发性收缩活动；

youdao