Nieto-Jiménez, Claudio, A. Espinoza-Salinas, Diego Valenzuela Pérez, Raimundo Sánchez, and Manuela Besomi. “Training Load and Heart Rate Variability in Acute Exposure to Hypobaric Hypoxia: A Case Study”. SPORT TK-EuroAmerican Journal of Sport Sciences 12 (December 19, 2023): 8. Accessed September 12, 2026. https://revistas.um.es/sportk/article/view/597591.