Factors determining 800-m running performance in young male athletes - Cruz, Ramon; Bertuzzi, Rômulo Cássio de Moraes; Alves, Danilo L; Azevedo, Rafael; Castro, Phelipe H; Freitas, Jefferson V; Lima-Silva, Adriano E; De-Oliveira, Fernando R; Lima, Jorge R (The Journal of Sports Medicine and Physical Fitness, 2018)