in a controlled , open cross-over study 15 asthmatic children received increasing doses of terbutaline ( 0.125 mg + 0.125 mg + 0.25 mg + 0.5 mg + 0.1 mg ) delivered by a pressurized aerosol alone or with a tube spacer or a nebuhaler attached .
C0004096
asthmatic
C0039542
terbutaline