SH. KURTIEVA. INDICATORS OF THE EXTERNAL RESPIRATORY SYSTEM AND CARDIAC ACTIVITY IN ADOLESCENTS. Frontline Medical Sciences and Pharmaceutical Journal, [S. l.], v. 2, n. 01, p. 17–24, 2022. DOI: 10.37547/medical-fmspj-02-01-03. Disponível em: https://frontlinejournals.org/journals/index.php/fmspj/article/view/106. Acesso em: 13 sep. 2025.