Wilkins, RA, Stephensen, D, Siddle, HJ, Scott, MJ, Xiang, H, Horn, E, Palmer, B and Chapman, Graham ORCID: 0000-0003-3983-6641 (2022) Twelve-month prevalence of haemarthrosis and joint disease using the haemophilia joint health score; evaluation of the UK National Haemophilia Database and Haemtrack patient reported data: an observational study. BMJ Open, 12 (1). e052358.