Yanagi, Hidetoshi, Harumi Konishi, Saori Yamada, Kazufumi Kitagaki, Michio Nakanishi, Taku Harada, and Masahiro Kohzuki. 2020. “Effects of Exercise Training on Physical Activity in Heart Failure Patients Treated With Cardiac Resynchronization Therapy Devices or Implantable Cardioverter Defibrillators”. Journal of Rehabilitation Medicine 52 (10):1-7. https://doi.org/10.2340/16501977-2728.