RT Journal Article SR Electronic T1 Safety in healthcare is a moving target JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP 539 OP 540 DO 10.1136/bmjqs-2015-004403 VO 24 IS 9 A1 Charles Vincent A1 Rene Amalberti YR 2015 UL http://qualitysafety.bmj.com/content/24/9/539.abstract AB