PAJĄK, Monika, GRUŻEWSKA-PIOTROWSKA, Kinga, HUBKA, Joanna and GRUŻEWSKA, Agnieszka. Side effects of anabolic-androgenic steroids abuse – empirical research based on anonymous surveys among people who regularly attend the gym. Quality in Sport. Online. 30 June 2023. Vol. 14, pp. 102-112. [Accessed 19 July 2024]. DOI 10.12775/QS.2023.14.01.008.