%0 Journal Article %T Latent factors of the components of physical development in children and adolescents of the northern region with undifferentiated connective tissue displasion %A Shevnin, I.. %A Tatarintsev, P.. %A Ragozina, O.. %A Ilyushchenko, N.. %A Ragozin, O.. %A Schalamova, E.. %K %J Bulletin of Nizhnevartovsk State University %D 2021 %N %P 7 %I Nizhnevartovsk State University