Hall, A., Clement, N., Revisited Group, I., MacLullich, A., White, T. & Duckworth, A. 2022, 'COVID-19 during the index hospital admission confers a 'double-hit' effect on hip fracture patients and is associated with a two-fold increase in 1-year mortality risk', Musculoskeletal Care. https://doi.org/10.1002/msc.1674