King, E., Gadsby, E., Bell, M., Duddy, C., Kendall, S. & Wong, G. 2023, 'Health visiting in the UK in light of the COVID-19 pandemic experience (RReHOPE): a realist review protocol', BMJ Open, 13(3), article no: e068544. http://dx.doi.org/10.1136/bmjopen-2022-068544