TY JOUR TI Psychological factors of adaptation to illness in individuals with acute and chronic leukemia KW acute leukemia KW chronic leukemia KW adaptation KW coping strategies KW psychological resource JO Scientific notes of P. F. Lesgaft University AU Deyneka, N.V. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft