TY JOUR TI Rehabilitation Programs Effectiveness Model: a Retrospective Comparative Study of Patients with Post-Acute COVID-19 Syndrome KW post-acute COVID-19 syndrome KW rehabilitation programmes KW dyspnea JO Bulletin of Rehabilitation Medicine AU Grishechkina., I.A. AU Lobanov., A.A. AU Andronov., S.V. AU Popov., A.I. AU Nikitin., M.V. AU Terentiyeva., M.V. PY 2022 IS 21 PB Federal State Budgetary Institution «National Medical Research Center of Rehabilitation and Balneology» of Ministry of Healthcare of Russian Federation