Polak M, Grandos J, Huszcza B, Olejnik A, Gronek K, Kaczmarek J, et al. Beyond the HPG Axis in Relative Energy Deficiency in Sport: Sleep, Psychological Health, and Neuroendocrine Adaptation in Athletes — A Structured Narrative Review. Qual Sport [Internet]. 2026 Jun. 13 [cited 2026 Jun. 16];57:72608. Available from: https://apcz.umk.pl/QS/article/view/72608