Solbraa, A. K., A. Mamen, G. K. Resaland, J. Steene- Johannessen, E. Ylvisåker, I. M. Holme, and S. A. Anderssen. “Level of Physical Activity, Cardiorespiratory Fitness and Cardiovascular Disease Risk Factors in a Rural Adult Population in Sogn Og Fjordane”. Norsk Epidemiologi, vol. 20, no. 2, Aug. 2011, doi:10.5324/nje.v20i2.1339.