%0 Journal Article %T ASSESSMENT OF LEVEL OF PHYSICAL DEVELOPMENT AND FUNCTIONAL STATE OF THE ORGANISM OF SCHOOLCHILDREN 11-13 YEARS THE COUNTRYSIDE %A Kovazina, O.L. %A Еlifanov, A.V. %A Lepunova, O.N. %K %J Bulletin of Nizhnevartovsk State University %D 2017 %N %P 6 %I Nizhnevartovsk State University