Picavet, HSJrivmStruijs, JNrivmWestert, GP2025-03-192025-03-1920081827787710.1097/BRS.0b013e318163e054https://rivm.openrepository.com/handle/10029/643310Utilization of health resources due to low back pain: survey and registered data comparedArticleSpine 2008; 33(4):436-442025-03-19