RT Journal Article SR Electronic T1 Differing perspectives on patient involvement in patient safety JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 82 OP 83 DO 10.1136/qshc.2006.020362 VO 16 IS 2 A1 Vikki A Entwistle YR 2007 UL http://qualitysafety.bmj.com/content/16/2/82.1.abstract AB