1. Meerson, F.Z. and Pshennikova, M.G., Adaptatsiya k stressovym situatsiyam i fizicheskim nagruzkam (Adaptation to Stress and to Physical Loads), Moscow: Meditsina, 1988.
2. Mikhailov, V.M., Nagruzochnoe testirovanie pod kontrolem EKG: veloergo-metriya, tredmill-test, step-test, khod’ba (ECG-Monitored Load Testing: Veloergometry, Treadmill Test, Step Test, Walking), Ivanovo: Talka, 2008.
3. Ushakov, I.B., Orlov, O.I., Baevskii, R.M., et al., Conception of health: space-Earth, Hum. Physiol., 2013, vol. 39, no. 2, p. 115.
4. Saltykova, M.M., Mechanisms of QRS voltage changes on ECG of healthy subjects during the exercise test, Hum. Physiol., 2015, vol. 41, no. 1, p. 62.
5. Mikhailov, V.M., Kharlamova, N.V., and Belikova, M.E., Parameters of heart rate variability in newborns, Funkts. Diagn., 2006, no. 1, p. 19.