Low-intensity resistance training with moderate blood flow restriction appears safe and increases skeletal muscle strength and size in cardiovascular surgery patients: a pilot study., Ogawa H, Nakajima T, Shibasaki I, Nasuno T, Kaneda H, Katayanagi S, Ishizaka H, Mizushima Y, Uematsu A, Yasuda T, Yagi H, Toyoda S, Hortobágyi T, Mizushima T, Inoue T, Fukuda H., J Clin Med, 10(3), 547-547, Feb. 2021