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| Methods | Multicenter randomized clinical trial |
| Participants | Target: 600 people who smoked with a cumulative habit of more than 10 packs of cigarettes per year |
| Interventions | Intervention: participants will receive usual advice to quit by a general practitioner as well as a 20‐minute personalized visit to provide detailed information about spirometry results Control: participants will receive usual care |
| Outcomes | Smoking abstinence |
| Notes | NCT01194596 |
