Lugg-Widger, F. V., Cannings-John, R., Akbari, A., Brookes-Howell, L., Hood, K., John, A., … Robling, M. (2021). Establishing the impact of COVID-19 on the health outcomes of domiciliary care workers in Wales using routine data: a protocol for the OSCAR study. International Journal of Population Data Science, 5(4). https://doi.org/10.23889/ijpds.v5i4.1656