Sazanova AA, Kulbaeva MS, Тuleukhanov ST, Kim YA, Zhussupova AI, Atanbaeva GK, Ablaykhanova NT, Oralkhanova ZO. Study of the influence of mobile phones on the functional condition of students’ cardiovascular system during the examination period by Holter methods. IJBCh [Internet]. 2018 Aug. 31 [cited 2024 Apr. 19];11(1):112-8. Available from: https://ijbch.kaznu.kz/index.php/kaznu/article/view/320