TY JOUR TI The problem of the inhomogeneity of groups and the uncertainty of the dynamics of the cardiovascular system parameters of schoolchildren under latitudinal movements KW text JO Complexity. Mind. Postnonclassic AU Shakirova, L.. AU Kuropatkina, M.G. AU Srybnik, M.A. AU Gorbunova, D.S. AU Chasovskiy, A.V. PY 2025 IS PB INFRA-M Academic Publishing LLC.