RT Journal Article SR Electronic T1 Principles for Best Practice in Clinical Audit JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 392 OP 392 DO 10.1136/qhc.11.4.392 VO 11 IS 4 A1 K M J Walshe YR 2002 UL http://qualitysafety.bmj.com/content/11/4/392.1.abstract AB