Joelson A, Sigmundsson FG, Karlsson J. Properties of SF-6D when longitudinal data from 16,398 spine surgery procedures is applied to 9 national SF-6D value sets. ActaO [Internet]. 2021 Apr. 23 [cited 2026 Aug. 30];92(5):532–537. Available from: https://www.scandjms.sfulib10.publicknowledgeproject.org/index.php/actao/article/view/874