Measurement of pulmonary gas exchange variables and lactic anaerobic capacity during field testing in elite indoor football players - Angius, L.; Cominu, M.; Filippi, M.; Piredda, C.; Migliaccio, G. M.; Pinna, M.; Milia, R.; Tocco, F.; Concu, A.; Crisafulli, A. (The Journal of Sports Medicine and Physical Fitness, 2013)