RT Journal Article SR Electronic T1 Metformin plus a lifestyle intervention was more effective than either alone for antipsychotic-induced weight gain JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 146 OP 146 DO 10.1136/ebm.13.5.146 VO 13 IS 5 YR 2008 UL http://ebm.bmj.com/content/13/5/146.abstract AB