Chung, C.-C., Huang, W.-C., Chiou, K.-R., Lin, K.-L., Kuo, F.-Y., Cheng, C.-C., … Liu, C.-P. (2010). Ratio of early mitral inflow peak velocity to flow propagation velocity predicts training effects of cardiac rehabilitation in patients after acute myocardial infarction. Journal of Rehabilitation Medicine, 42(3), 232–238. https://doi.org/10.2340/16501977-0514