%0 Journal Article %A Ken Catchpole %A Douglas Wiegmann %T Understanding safety and performance in the cardiac operating room: from ‘sharp end’ to ‘blunt end’ %D 2012 %R 10.1136/bmjqs-2012-001135 %J BMJ Quality & Safety %P 807-809 %V 21 %N 10 %U https://qualitysafety.bmj.com/content/qhc/21/10/807.full.pdf