Skudutyte-Rysstad R, Eriksen HM, Bjertness E. Oral health among 35-year-olds in Oslo, Norway. A summary of time trends 1973-2003. Nor J Epidemiol [Internet]. 2012May7 [cited 2024Apr.30];22(1). Available from: https://www.ntnu.no/ojs/index.php/norepid/article/view/1518