A new framework for developing and evaluating complex interventions : Update of Medical Research Council guidance

Skivington, K. and Matthews, L. and Simpson, S.A. and Craig, P. and Baird, J. and Blazeby, J.M. and Boyd, K.A. and Craig, N. and French, D.P. and McIntosh, E. and Petticrew, M. and Rycroft-Malone, J. and White, M. and Moore, L. (2021) A new framework for developing and evaluating complex interventions : Update of Medical Research Council guidance. The BMJ, 374: 2061.