RT Journal Article SR Electronic T1 Combined diet and exercise interventions can improve metabolic outcomes in obese children, even with only small changes in weight JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP e9 OP e9 DO 10.1136/eb-2013-101558 VO 19 IS 2 A1 Christian K Roberts YR 2014 UL http://ebm.bmj.com/content/19/2/e9.abstract AB