1. Unsafe opioid replacement therapy in England and Wales: a mixed-methods study. (23rd February 2017) Authors: Gibson, Russell; Azfal, Maryam; Williams, Huw; Edwards, Adrian; Hibbert, Peter; Sheikh, Aziz; Donaldson, Liam; Carson-Stevens, Andrew Journal: Lancet Issue: Volume 389(2017)Supplement 1 Page Start: S38 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗