in six subjects with asthma , we constructed dose-response curves to inhaled methacholine and to eucapnic hyperpnea with cold air after treatment with inhaled atropine ( 0.5 mg delivered ) and intravenous placebo , with inhaled placebo and intravenous atropine ( 0.5 mg injected ) , and with inhaled and intravenous placebos .
C0004096
asthma
C0004259
atropine