%0 Journal Article %J Pediatria Polska - Polish Journal of Paediatrics %@ 0031-3939 %V 94 %N 1 %D 2019 %F Kleszczewska2019 %T Physical activity and features of the environment in which school children grow up as low mood determinants %A Kleszczewska, Dorota %A Siedlecka, Jadwiga %A Mazur, Joanna %P 25-33 %9 journal article %R 10.5114/polp.2019.83739 %U http://dx.doi.org/10.5114/polp.2019.83739