Dąbrowska M, Lisiecki J, Ulenberg A, Ulenberg G. The effect of carrying a child in a baby sling on the movement system. J Educ Health Sport [Internet]. 2017 Aug. 31 [cited 2025 Jan. 23];7(8):1657-64. Available from: https://apcz.umk.pl/JEHS/article/view/5186