RT Journal Article SR Electronic T1 Evaluation ecology: a new perspective linking improvement and evaluation JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 264 OP 265 DO 10.1136/qshc.2010.041103 VO 19 IS 4 A1 Gelmon, Sherril B A1 Tresidder, Anna Foucek YR 2010 UL http://qualitysafety.bmj.com/content/19/4/264.abstract AB