TY JOUR TI Methodological Issues of Assessment of Six-minute Walk Test in Patients with Coronary Artery Disease KW JO Bulletin of Rehabilitation Medicine AU Mikhailovskaya, T.. AU Nazarova, O.. AU Dovgalyuk, Y.. AU Chistyakova, Y.. AU Mishina, I.. PY 2021 IS 20 PB Federal State Budgetary Institution «National Medical Research Center of Rehabilitation and Balneology» of Ministry of Healthcare of Russian Federation