the effect on lung function of two puffs of a mixture of 1 mg disodium cromoglycate ( dncg ) and 0.5 mg of reproterol hydrochloride ( aarane ) administered by metered dose inhaler through 4 different spacer devices ( volumatic , nebuhaler , inspirease and synchron-aerosol ) was tested in 18 asthmatic patients ( age 8-15 years ) .
C0012694
disodium
C0004096
asthmatic