Objective to evaluate left ventricular regional function with aging and their influencing factors in normal subjects by doppler tissue imaging.
目的探讨心脏局部功能随年龄增加的超声多普勒组织成像变化。
Objective to evaluate left ventricular regional function with aging and their influencing factors in normal subjects by doppler tissue imaging.
目的探讨心脏局部功能随年龄增加的超声多普勒组织成像变化。
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