1. N. F. Lysova, Age-related anatomy and physiology (INFRA-M, Moscow, 2016), p. 352.
2. Workshop on psychophysiological diagnosis (VLADOS Humanitarian Publishing Centre, Moscow, 2000), p. 128.
3. A. N. Ragozin, Bulletin of Arrhythmology 22, pp. 37–40 (2001).
4. G. Yu. Poretzkova, A systematic approach to the prevention of developmental and health disorders in schools. Dissertation for the degree of Doctor of Medical Sciences (Samara, 2019), p. 304.
5. Yu. I. Savchenkov, Age physiology (physiological characteristics of children and adolescents) (VLADOS Humanitarian Publishing Centre, Moscow, 2013), p. 143.