TY JOUR TI Physical Training Effectiveness and Tolerance in Patients after Myocardial Infraction, Depending on the Initial Physical Activity Tolerance KW JO Bulletin of Rehabilitation Medicine AU Chistyakova, Y.. AU Mishina, I.. AU Dovgalyuk, Y.. AU Mitryaeva, I.. AU Zolotareva, A.. AU Soldatova, S.. PY 2021 IS 20 PB Federal State Budgetary Institution «National Medical Research Center of Rehabilitation and Balneology» of Ministry of Healthcare of Russian Federation