Pallari, E., Fox, A., & Lewison, G. Differential research impact in cancer practice guidelines’ evidence base: lessons from ESMO, NICE and SIGN. ESMO Open, 3(1), e000258. https://doi.org/10.1136/esmoopen-2017-000258 (Original work published 2018)
Begum, M., Lewison, G., Wölbert, E., Brigham, B., Darlington, M., Durand-Zaleski, I., & Sullivan, R. (2020). Mental health disorders research in Europe, 2001-2018. Evidence-Based Mental Health, 23(1), 15-20. https://doi.org/10.1136/ebmental-2019-300130