Waage, Halfrid P., and Bjørn Hilt. “Identification of Subjects With Occupational Exposure to Asbestos, Quartz, and Welding Fumes in the General Population of Telemark, Norway”. Norsk Epidemiologi 7, no. 2 (October 26, 2009). Accessed April 29, 2024. https://www.ntnu.no/ojs/index.php/norepid/article/view/411.