术前体位改变对剖宫产腰麻后引起低血压的预测分析(4)
[12] Pomeranz B，Macaulay R J，Caudill M A，et al.Assessment of autonomic function in humans by heart rate spectral analysis[J].American Journal of Physiology，1985，248(1 Pt 2)：H151-H153.[13] Akselrod S，Gordon D，Ubel F A，et al.Power spectrum analysis of heart rate fluctuation：a quantitative probe of beat-to-beat cardiovascular control[J].Science ......
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