Kotowicz Z, Pich-Czekierda A, Proszowska P, Orzeł A, Sieniawska D, Madoń M, et al. Advantages of oral collagen supplementation. Review of the literature. J Educ Health Sport [Internet]. 2024 May 17 [cited 2026 Feb. 6];70:50183. Available from: https://apcz.umk.pl/JEHS/article/view/50183