RT Journal Article SR Electronic T1 Quality Lines JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 161 OP 161 DO 10.1136/qhc.13.3.161 VO 13 IS 3 YR 2004 UL http://qualitysafety.bmj.com/content/13/3/161.abstract AB