Furnes, Ove, Jan-Erik Gjertsen, Eivind Inderhaug, Trude Gundersen, Anne Marie Fenstad, Stein Atle Lie, and Geir Hallan. “I Starten Var Det Hofteregisteret – Så Ble Vi Flere”. Norsk Epidemiologi 31, no. 1-2 (October 20, 2023). Accessed June 30, 2024. https://www.ntnu.no/ojs/index.php/norepid/article/view/5613.