Effects of 6 weeks resistance training combined with plyometric and speed exercises on physical performance of pre-peak-height-velocity soccer players - Rodriguez-Rosell, D; Franco-Marquez, F; Pareja-Blanco, F; Mora-Custodio, R; Yanez-Garcia, J M; Gonzalez-Suarez, J M; Gonzalez-Badillo, J J (Int J Sports Physiol Perform, 2016)