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; Pinna, M; Milia, R; Tocco, F; Concu, A; Crisafulli, A (J Sports Med Phys Fitness, 2013)