RT Journal Article SR Electronic T1 Deciding when to stop: towards evidence-based deprescribing of drugs in older populations JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 121 OP 124 DO 10.1136/eb-2012-100930 VO 18 IS 4 A1 Ian A Scott A1 Leonard C Gray A1 Jennifer H Martin A1 Peter I Pillans A1 Charles A Mitchell YR 2013 UL http://ebm.bmj.com/content/18/4/121.abstract AB