Physical Fatigue and Morphofunctional State of the Myocardium in Experimental Chronic Stress. - Kondashevskaya MV; Tseylikman VE; Komelkova MV; Lapshin MS; Sarapultsev AP; Lazuko SS; Kuzhel OP; Manukhina EB; Downey HF; Chereshneva MV; Chereshnev VA (Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections, 2019)