1. Long‐term opioid therapy for chronic non‐cancer pain in Germany. (22nd October 2015) Authors: Marschall, U.; L'hoest, H.; Radbruch, L.; Häuser, W. Journal: European journal of pain Issue: Volume 20:Number 5(2016) Page Start: 767 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗