Prevalence and predictors of undiagnosed chronic obstructive pulmonary disease in a Norwegian adult general population

Hvidsten, S. C., Storesund, L., Wentzel-Larsen, T., Gulsvik, A., & Lehmann, S. (2010). Prevalence and predictors of undiagnosed chronic obstructive pulmonary disease in a Norwegian adult general population. Clinical Respiratory Journal, 4(1), 13-21. doi:10.1111/j.1752-699X.2009.00137.x