Objective To study the cardiac electrophysiological changes of patients under the stress of operation.

目的研究外科手术患者在手术应激下的心脏电生理变化。

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Objective To study the cardiac electrophysiological changes of patients under the stress of operation.

目的研究外科手术患者在手术应激下的心脏电生理变化。

youdao