00654naa#a2200205#i#450# EN\\bibl\112794 20260119014640.1 2311-1402 20170325b2017####ek#y0engy0150####ca RUS RU ASSESSMENT OF LEVEL OF PHYSICAL DEVELOPMENT AND FUNCTIONAL STATE OF THE ORGANISM OF SCHOOLCHILDREN 11-13 YEARS THE COUNTRYSIDE Journal article Nizhnevartovsk Nizhnevartovsk State University 2017 6 с. Journal article local . 616.2:612.017.2 RUS Kovazina O L Еlifanov A V Lepunova O N vestnik.nvsu.ru