Modeling developmental changes in functional capacities and soccer-specific skills in male players aged 11-17 years - Valente-dos-Santos, J; Coelho e Silva, M J; Simoes, F; Figueiredo, A J; Leite, N; Elferink-Gemser, M T; Malina, R M; Sherar, L (Ped Exerc Sci, 2012)