Viktil, Kirsten K., Hege Salvesen Blix, and Åsmund Reikvam. “The Janus Face of Polypharmacy – Overuse Versus Underuse of Medication”. Norsk Epidemiologi 18, no. 2 (September 28, 2009). Accessed November 26, 2024. https://www.ntnu.no/ojs/index.php/norepid/article/view/25.