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| Methods | Design: 12 weeks, double‐blind, randomised, placebo‐controlled, parallel group study |
| Participants |
Population: 57 patients Inclusion criteria: FEV1/FVC ≤ 0.70, FEV1 ≥ 30% predicted |
| Interventions | |
| Outcomes | Dyspnoea scale, 6MWD, FEV1/FVC, FEV1%, IC |
| Notes |
