%0 Letter %T Challenges of Using Routinely Collected Healthcare System Data in Randomised Trials. %A Twine CP %A Ahmed H %A Lugg-Widger FV %A Waldron CA %A Bown MJ %A Sydes MR %J Eur J Vasc Endovasc Surg %V 0 %N 0 %D 2024 May 10 %M 38735523 %F 6.427 %R 10.1016/j.ejvs.2024.05.010