Lewis, S., Shaw, D., Langley, T., Fogarty, A., Young, B., & Cranwell, O. (2019). Evaluation of a nudge intervention providing simple feedback to clinicians of the consequence of radiation exposure on demand for computerised tomography scans: a prospective, controlled study. Clinical Medicine, 19(4), 290-293. https://doi.org/10.7861/clinmedicine.19-4-290