Methodological quality of randomized controlled trials of postoperative epidural analgesia: validation of the Epidural Analgesia Trial Checklist as a specific instrument to evaluate methodology.
Liu SS, Togioka BM, Hurley RW, Vu CM, Hanna MN, Murphy JD, Wu CL. Methodological quality of randomized controlled trials of postoperative epidural analgesia: validation of the Epidural Analgesia Trial Checklist as a specific instrument to evaluate methodology. Reg Anesth Pain Med. 2010 Nov-Dec; 35(6):549-55.