RT Journal Article SR Electronic T1 Retrospective case record review: a blunt instrument that needs sharpening JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 2 OP 3 DO 10.1136/qhc.12.1.2 VO 12 IS 1 A1 G Neale A1 M Woloshynowych YR 2003 UL http://qualitysafety.bmj.com/content/12/1/2.abstract AB