TY JOUR TI Latent factors of the components of physical development in children and adolescents of the northern region with undifferentiated connective tissue displasion KW JO Bulletin of Nizhnevartovsk State University AU Shevnin, I.. AU Tatarintsev, P.. AU Ragozina, O.. AU Ilyushchenko, N.. AU Ragozin, O.. AU Schalamova, E.. PY 2021 IS PB Nizhnevartovsk State University