Hansen, Anne Helen, Peder A. Halvorsen, and Olav Helge Førde. “The Ecology of Medical Care in Norway: Wide Use of General Practitioners May Not Necessarily Keep Patients Out of Hospitals”. Journal of Public Health Research 1, no. 2 (July 31, 2012): e28. Accessed July 29, 2021. https://www.jphres.org/index.php/jphres/article/view/jphr.2012.e28.