Sand and grass surfaces are equally effective in promoting positive adaptations in the sprint performance of elite young soccer players - Pereira, L. A.; Nunes, R. F. H.; Freitas, T. T.; Paes, C. A.; Conde, J. H. S.; Novack, L. F.; Kosloski, T.; Silva, R. L. P.; Azevedo, P. H. S. M.; Loturco, I. (Biology of Sport, 2023)