however , when eight patients with bronchodilation greater than 50 % on all tests days were studied separately , a significantly greater improvement in fev1 was seen after the first three inhalations of terbutaline when a nebuhaler or a tube spacer was used compared with the response after the pressurized aerosol ( p less than 0.05 ) bronchodilation measurements did not differ after use of the two spacers .
C0039542
terbutaline
C1371299
bronchodilation