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Resistance index(RI) and pulsatility index(PI) were not significantly different in different age groups.
各组间阻力指数(RI)、搏动指数(PI)无显著差异。
youdao
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Resistance index(RI) and pulsatility index(PI) were not significantly different in different age groups.
各组间阻力指数(RI)、搏动指数(PI)无显著差异。
youdao