RT Journal Article SR Electronic T1 Preventing hospital readmissions: the importance of considering ‘impactibility,’ not just predicted risk JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP bmjqs-2017-006629 DO 10.1136/bmjqs-2017-006629 A1 Adam Steventon A1 John Billings YR 2017 UL http://qualitysafety.bmj.com/content/early/2017/06/14/bmjqs-2017-006629.abstract AB