Williams, T., MacRae, C., Swann, O., Haseeb, H., Cunningham, S., Philip, D., Lamb, Christopher A., Levin, R., McDougall, C., McFadzean, J., Piper, I., Turner, A., Turner, S., Van Dijke, M., Urqhuart, D., Guthrie, B. & Langley, R. 2021, 'Indirect effects of the COVID-19 pandemic on paediatric healthcare use and severe disease: a retrospective national cohort study', Archives of Disease in Childhood. https://doi.org/10.1136/archdischild-2020-321008