Gurjanova, Ye.M., L.N. Igisheva, and A.R. Galeev. 1. “SOME FEATURES OF HRV IN CHILDREN WITH BRONCHIAL ASTHMA”. The Journal of V. N. Karazin Kharkiv National University, Series "Medicine", no. 3 (1), 54-58. https://periodicals.karazin.ua/medicine/article/view/7380.