Villaseca-Vicuña, Rodrigo, Pablo Merino-Muñoz, Rodrigo Yáñez-Sepúlveda, Guillermo Cortés-Roco, Marcelo Muñoz, and Jorge Perez-Contreras. 2026. “Seasonal Changes in Physical Fitness and Body Composition and Their Associations With External Match Load in Elite Youth Football Players”. Journal of Human Sport and Exercise 21 (4): 1601-21. https://doi.org/10.55860/zrfqrb31.