RT Journal Article SR Electronic T1 Correction JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 312 OP 312 DO 10.1136/qshc.2004.11759corr1 VO 14 IS 4 YR 2005 UL http://qualitysafety.bmj.com/content/14/4/312.abstract AB