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| Methods | randomised, parallel Jadad Score: "weak", score < 3 | |
| Participants | adults | |
| Interventions | i.v. salbutamol vs. i.v. aminophylline | |
| Outcomes | delta VS, delta PEFR | |
| Notes | ||
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment (selection bias) | Unclear risk | Information not available |
