the effects on exercise-induced asthma of 20 mg disodium cromoglycate ( dscg ) inhaled with a spinhaler 30 minutes before exercise were compared to 2 mg of ketotifen taken orally 3 hours before exercise , and likewise dscg was compared to a placebo powder inhaled with a spinhaler , and ketotifen with placebo tablets .
C0004099
exercise-induced asthma
C0012694
dscg