Mobile telephone contingency management to encourage adherence to supervised medication among individuals most at risk of non-adherence to opioid agonist treatment: a study protocol for a feasibility study (TIES2). - Metrebian, Nicola; Getty, Carol-Ann; Carr, Ewan; Weaver, Timothy; Pilling, Stephen; Kelleher, Mike; Scott, Jenny; Strang, John (Pilot & Feasibility Studies, 2025)