Quality of life varies by gender, age, smoking and educational level in a Norwegian general population
Aanerud, M., Wentzel-Larsen, T., Brøgger, J. C., Gulsvik, A., & Bakke, P. (2002 January). Quality of life varies by gender, age, smoking and educational level in a Norwegian general population. Paper presented at European Respiratory Society Annual Congress, Stockholm, Sverige.