RT Journal Article SR Electronic T1 Market-based control: the solution to slow progress with patient safety? JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 83 OP 84 DO 10.1136/qshc.2008.030379 VO 18 IS 2 A1 Richard G Thomson YR 2009 UL http://qualitysafety.bmj.com/content/18/2/83.abstract AB