Franco I, Sousa P, Gomes M, Oliveira A, Gaio A R, Duarte R
Pulmonology Department, Hospital of Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal.
Department of Clinical Epidemiology, Predictive Medicine and Public Health, Medical School, University of Porto, Porto, Portugal.
Rev Port Pneumol (2006). 2016 Jan-Feb;22(1):50-2. doi: 10.1016/j.rppnen.2015.08.006. Epub 2015 Oct 26.