Kristensen, Petter, Tor Bjerkedal, Lorentz M. Irgens, Hans Magne Gravseth, and John Ivar Brevik. “Impact of Life Course Determinants on Work Participation Among Young Norwegian Men”. Norsk Epidemiologi 15, no. 1 (October 13, 2009). Accessed April 29, 2024. https://www.ntnu.no/ojs/index.php/norepid/article/view/228.