KSADJIKYAN, N. N. VARIATION OF HEART RHYTHM OF ADOLESCENTS STUDYING AT SCHOOL IN THE SITUATION OF EXAMINATION. Proceedings of the YSU B: Chemical and Biological Sciences, [S. l.], v. 38, n. 2 (204), p. 96–102, 2004. DOI: 10.46991/PYSU:B/2004.38.2.096. Disponível em: https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol38_no2_2004_pp096-102. Acesso em: 22 nov. 2024.