the 21 asthmatic subjects who had exercise-provoked symptoms required a significantly lower level of ventilation of cold air to produce a 35 percent drop in specific airways conductance ( pd35 ) than did those who had no exercise-induced asthma ( 33.9 l min-1 vs 45.8 l min-1 ; p less than 0.02 ) .
C0004096
asthmatic
C0004099
exercise-induced asthma