@article{Gajewska:2021,
author
=
"E.Gajewska and I.Laudańska-Krzemińska and K.Domaszewska and M.Naczk and P.Kroll and M.Sobieska",
title
=
"An analysis of the level of fitness, physical performance and concentration of the brain-derived neurotrophic factor in saliva in adolescents practicing competitive sports and their peers",
journal
=
"Acta Kinesiologica",
volume
=
"15",
number
=
"Iss. 2",
pages
=
"90--97",
year
=
"2021",
note
=
"10.51371/issn.1840-2976.2021.15.2.12",
}