Szark-Eckardt, M., Kowalczyk, Łukasz, Żukowska, H., & Łubkowska, W. (2015). Doping i suplementy stosowane w bydgoskich siłowniach = Doping and supplementation applied in Bydgoszcz gyms. Journal of Education, Health and Sport, 5(11), 577–594. Retrieved from https://apcz.umk.pl/JEHS/article/view/3242