RT Journal Article SR Electronic T1 Commentary JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 366 OP 368 DO 10.1136/qhc.11.4.366 VO 11 IS 4 A1 Rayner, Claire YR 2002 UL http://qualitysafety.bmj.com/content/11/4/366.abstract AB