Ystrom E, Ørstavik R, Reichborn-Kjennerud T, Torvik FA. Social inequalities in reception of social welfare support: A population based twin study. Nor J Epidemiol [Internet]. 2016Jul.20 [cited 2024Apr.24];26(1-2). Available from: https://www.ntnu.no/ojs/index.php/norepid/article/view/2016