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PETCO2 response during a graded exercise test in patients with coronary artery disease subjected to either continuous exercise training or interval exercise training. VAT = ventilatory anaerobic threshold; RCP = respiratory compensation point. † p<0.05 vs. rest (pre- and post-continuous); ‡ p<0.05 vs. rest (pre- and post-interval); * p<0.05 vs. post-continuous; § p<0.05 vs. post-interval.
