Cossio-Bolaños, M., Vidal-Espinoza, R., Urra Albornoz, C., Leite Portella, D., Vega-Novoa, S., Mendez-Cornejo, J., Fuentes Lopez, J. and Gomez-Campos, R. (2021) “A systematic review of intervention programs that produced changes in speed and explosive strength in youth footballers”, European Journal of Translational Myology, 31(3). doi: 10.4081/ejtm.2021.9692.