RT Journal Article SR Electronic T1 Adjustable gastric banding plus conventional therapy improved glycaemic control in obese patients with type 2 diabetes JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 108 OP 108 DO 10.1136/ebm.13.4.108 VO 13 IS 4 YR 2008 UL http://ebm.bmj.com/content/13/4/108.abstract AB