RT Journal Article SR Electronic T1 The science of interruption JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP 357 OP 360 DO 10.1136/bmjqs-2012-000783 VO 21 IS 5 A1 Enrico Coiera YR 2012 UL http://qualitysafety.bmj.com/content/21/5/357.abstract AB