Analysis of fitness status variations of under-16 soccer players over a season and their relationships with maturational status and training load - Nobari, H.; Silva, A. F.; Clemente, F. M.; Siahkouhian, M.; Gracia-Gordillo, M. A.; Adsuar, J. C.; Pérez-Gómez, J. (Frontiers in Physiology, 2022)