Sazanova A.A., Kulbaeva M.S., Ablaykhanova N.T., Elancev A.B., Zhaparkulova N.I., Musabaeva S.K., Artykkyzy T. Study the effect of electromagnetic radiation in the environment on cardiac function method holter students with myopia: Kazakh National University named after al-Farabi Kazakh National University, Almaty, Republic of Kazakhstan. EJE. 2018;46(1):151-157. Accessed July 13, 2026. https://bulletin-ecology.kaznu.kz/index.php/1-eco/article/view/856