RT Journal Article SR Electronic T1 Obstacles to research on the effects of interruptions in healthcare JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP 392 OP 395 DO 10.1136/bmjqs-2015-004083 VO 25 IS 6 A1 Tobias Grundgeiger A1 Sidney Dekker A1 Penelope Sanderson A1 Birgit Brecknell A1 David Liu A1 Leanne M Aitken YR 2016 UL http://qualitysafety.bmj.com/content/25/6/392.abstract AB