RT Journal Article SR Electronic T1 Our better angels and black boxes JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 242 OP 244 DO 10.1136/emermed-2016-205696 VO 33 IS 4 A1 Pat Croskerry YR 2016 UL http://emj.bmj.com/content/33/4/242.abstract AB