TY JOUR TI The application of modern breathing practices in corrective and health-improving activities for mature individuals who have suffered from pneumonia KW corrective and health-improving activities KW mature individuals KW pneumonia JO Scientific notes of P. F. Lesgaft University AU Drobysheva, S.A. AU Zavgorodnyaya, M.A. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft