Abramova T, Nikitina T, Polfuntikova A. PHYSICAL FITNESS AND MORPHOFUNCTIONAL STATUS OF BOYS AGED 6-8 YEARS. TPPC [Internet]. 2022 Aug. 20 [cited 2025 Feb. 2];(7):37-40. Available from: http://tpf1610220.nichost.ru/index.php/TPPC/article/view/288