Medium-term mortality after hip fractures and COVID-19: A prospective multi-centre UK study oleh Gareth Chan, Ashish Narang, Arash Aframian, Zaid Ali, Joseph Bridgeman, Alastair Carr, Laura Chapman, Henry Goodier, Catrin Morgan, Chang Park, Sarah Sexton, Kapil Sugand, Thomas Walton, Michael Wilson, Ajay Belgaumkar, Kieran Gallagher, Koushik Ghosh, Charles Gibbons, Joshua Jacob, Andrew Keightley, Zuhair Nawaz, Khaled Sarraf, Christopher Wakeling, William Kieffer, Benedict Rogers