Protocol for a Phase III Pragmatic Stepped Wedge Cluster Randomised Controlled Trial Comparing the Effectiveness and Cost-Effectiveness of Screening and Guidelines With, Versus Without, Implementation Strategies for Improving Pain in Adults With Cancer Attending Outpatient Oncology and Palliative Care Services: The Stop Cancer PAIN Trial

BMC Health Services Research - United Kingdom

doi 10.1186/s12913-018-3318-0