[Correlation of training volume in MET-min/week with the percentage of estimated VO2p gain in patients with chronic heart failure with reduced ejection fraction, undergoing a cardiac rehabilitation program]

[慢性心力衰竭伴射血分数降低患者接受心脏康复计划时，训练量（MET-min/周）与估计VO2p增益百分比的相关性]