Zhaldak, Anastasiia, et al. “STUDYING THE EXPERIENCE OF APPLICATION OF NON-INVASIVE METHODS TO ASSESS THE FUNCTIONAL STATE OF THE ORGANISM UNDER PHYSICAL AND PSYCHOEMOTIONAL LOADS”. The Ukrainian Scientific Medical Youth Journal, vol. 124, no. 2, June 2021, pp. 53-63, doi:10.32345/USMYJ.2(124).2021.53-63.