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Mean±SEM values for FEV1 expressed as percentage of predicted before and after 5.5–8 min of treadmill running in 15 patients with severe EIA. Exercise was performed on two occasions 20 min apart with warm humid air as the first challenge (% fall 6.5±5.2 SD) and room air as the second (% fall 53.9±11.5 SD) (38). Figure reproduced with permission from (49).
