RT Journal Article SR Electronic T1 Corrections JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 80 OP 80 DO 10.1136/qshc.2007.024323corr1 VO 18 IS 1 YR 2009 UL http://qualitysafety.bmj.com/content/18/1/80.1.abstract AB