a double-blind comparison of 2 and 3 mg oral doses of carbuterol , a beta sympathomimetic drug with preferential selectivity for bronchial smooth muscle , was made with 25 and 35 mg doses of ephedrine sulfate over a six-month period in 26 patients with bronchial asthma .
C0304426
ephedrine sulfate
C0004096
bronchial asthma