?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Spurling&rft.au=Spurling%2C+Leigh-James+Edward&rft.aufirst=Leigh-James+Edward&rft.inst=UCL+(University+College+London)&rft.degree=Doctoral&rft.date=28+January+2025&rft.tpages=283&rft.title=Perioperative+care+and+outcome+measurement+in+emergency+laparotomy+surgery