Relative age-related differences between different competitive levels and field positions in young soccer players - Peña-González, I.; Javaloyes, A.; Sarabia, J. M.; Moya-Ramón, M. (Research in Sports Medicine, 2021)
Keywords: soccer; juniors; Spain; test; anthropometry; sprint; performance; relation; age; professionalism; relative age effect; USA; sport games; biological and medical sciences