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| Methods | Single‐dose Cross‐over Double‐blind Dropout: 0% | |
| Participants | n = 8 Mean age = 29 Inclusion: asthma with > 20% increase FEV1, all with intrinsic atopic asthma. All in stable respiratory state. Exclusion: cardiovascular dz | |
| Interventions | #1: Metoprolol 100 mg Acebutolol 400 mg Placebo #2: IV terbutaline after Tx or placebo | |
| Outcomes | FEV1 Symptoms | |
| Notes | ||
