常见例句Bootsma M,swenne CA,vanbolhuis HH,et al. Heart rate and heart rate variability as indexes of sympathovagal balance[J] .Am J physiol, 1994,266: 1565. 申晓成.;心力衰竭患者心率变异性与窦性心律失常和心功能的关系[J] 返回 Bootsma