RT Journal Article SR Electronic T1 The multiple aims of pay-for-performance and the risk of unintended consequences JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP 827 OP 831 DO 10.1136/bmjqs-2016-005392 VO 25 IS 11 A1 Rocco Friebel A1 Adam Steventon YR 2016 UL http://qualitysafety.bmj.com/content/25/11/827.abstract AB