RT Journal Article SR Electronic T1 Strengthening the contribution of quality improvement research to evidence based health care JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 150 OP 151 DO 10.1136/qshc.2005.017103 VO 15 IS 3 A1 G R Baker YR 2006 UL http://qualitysafety.bmj.com/content/15/3/150.abstract AB