to establish whether sodium cromoglycate delivered by pressurised aerosol was more effective than sodium cromoglycate powder in preventing exercise-induced asthma four hours after drug administration , eight subjects known to be protected by sodium cromoglycate taken immediately pre-exercise , underwent delayed exercise challenge following double-blind premedication with sodium cromoglycate powder , sodium cromoglycate aerosol and placebo .
C0004099
exercise-induced
C0012694
sodium cromoglycate