RT Journal Article SR Electronic T1 Laparoscopic appendicectomy reduced chronic right lower-quadrant abdominal pain more than sham intervention JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 144 OP 144 DO 10.1136/ebm.13.5.144 VO 13 IS 5 YR 2008 UL http://ebm.bmj.com/content/13/5/144.abstract AB