RT Journal Article SR Electronic T1 Laparoscopic surgery was better than an intensive non-surgical intervention for weight loss in mild to moderate obesity JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 146 OP 146 DO 10.1136/ebm.11.5.146 VO 11 IS 5 YR 2006 UL http://ebm.bmj.com/content/11/5/146.abstract AB