Burstrom, KEgmar, ACLugner, AEriksson, MSvartengren, M2025-03-202025-03-20201120430804https://rivm.openrepository.com/handle/10029/644976A Swedish child-friendly pilot version of the EQ-5D instrument; the development processArticleEur J Public Health 2011; 21(2):171-72025-03-20