The frequency of HF is determined by the ratio of respiratory frequency and heart rate.The results also indicated that nonadditivity of heart rate modulation by sympathetic an...
高
峰的率是呼吸率与心率之比，低
低可能与交
副交神经调节心率的非可加
有
。
The frequency of HF is determined by the ratio of respiratory frequency and heart rate.The results also indicated that nonadditivity of heart rate modulation by sympathetic an...
高峰的率是呼吸率与心率之比，低低可能与交副交神经调节心率的非可加有。
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