Rev Port Pneumol (2006)
Pulmonology Department, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal; EPIUnit Institute of Public Health, University of Porto, Porto, Portugal; Chest Disease Centre, Vila Nova de Gaia, Portugal; Department of Clinical Epidemiology, Predictive Medicine and Public Health, University of Porto Medical School, Porto, Portugal. Electronic address:
Published: December 2017