Allen, D., Lloyd, A., Edwards, D., Grant, A., Hood, K., Huang, C., Hughes, J., Jacob, N., Lacy, D., Moriarty, Y., Oliver, A., Preston, J., Sefton, G., Skone, R., Strange, H., Taiyari, K., Thomas-Jones, E., Trubey, R., Tume, L., Powell, C., & Roland, D. (2022). Development, implementation and evaluation of an early warning system improvement programme for children in hospital: the PUMA mixed-methods study. Health and Social Care Delivery Research, 10(1), 307. https://doi.org/10.3310/CHCK4556