A mixed‐methods analysis of patient safety incidents involving opioid substitution treatment with methadone or buprenorphine in community‐based care in England and Wales. - Gibson, Russell; MacLeod, Natalie; Donaldson, Liam J.; Williams, Huw; Hibbert, Peter; Parry, Gareth; Bhatt, Jay; Sheikh, Aziz; Carson‐Stevens, Andrew (Addiction, 2020)