Respiratory symptoms, COPD severity, and health related quality of life in a general population sample

Voll-Aanerud, M., Eagan, T. M. L., Wentzel-Larsen, T., Gulsvik, A., & Bakke, P. S. (2008). Respiratory symptoms, COPD severity, and health related quality of life in a general population sample. Respiratory Medicine, 102(3), 399-406. doi:10.1016/j.rmed.2007.10.012