TY JOUR TI Method of Intermittent Normobaric Hypoxic Low-intensity Treadmill Training for Сardiac Rehabilitation of Patients after Coronary Artery Bypass Grafting KW JO Bulletin of Rehabilitation Medicine AU Nevzorova, E.. AU Breev, Y.. AU Zasyadko, K.. AU Shakula, A.. PY 2021 IS 20 PB Federal State Budgetary Institution «National Medical Research Center of Rehabilitation and Balneology» of Ministry of Healthcare of Russian Federation