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
率是呼吸
率与心率之比,低
和极低

与交
和副交
神经调节心率

加性有关。
相[迭]加性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
率是呼吸
率与心率之比,低
和极低

与交
和副交
神经调节心率

加性有关。
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