RT Journal Article SR Electronic T1 Preoperative limb marking and verification checklist: a compliance issue? JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 160 OP 160 DO 10.1136/qshc.2008.028266 VO 18 IS 2 A1 Karkhanis, S A1 Muddu, B A1 Bari, M YR 2009 UL http://qualitysafety.bmj.com/content/18/2/160.1.abstract AB