Evolution of the relative age effect in Spanish young footballers (U8 to U19). A comparative analysis in elite clubs vs. low-level clubs. - Práxedes, A.; Del Villar, F.; Gil-Arias, A.; Pizarro, D.; Moreno, A. (European Journal of Human Movement, 2019)
Keywords: soccer; Spain; sports association; junior elite sport; youth; age; relation; performance; performance capacity; athlete; relative age effect; sport games; junior sports