00631naa#a2200205#i#450# EN\\bibl\39271 20240706190642.6 2409-3750 20200903b2020####ek#y0engy0150####ca RU ANXIOUS CONDITIONS OF SCHOOLCHILDREN Journal article Tula LLC Information and publishing center Innovations and investments 2020 4 с. Journal article local Медицина. Охрана здоровья. 61 Denisova A. A. Dvorovkin N. V. Sobolenkova V. S. Fedorov S. Yu. zh-szf.ru