RT Journal Article SR Electronic T1 Peering through the hourglass JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 272 OP 274 DO 10.1136/emermed-2016-206500 VO 34 IS 5 A1 Lemery, Jay YR 2017 UL http://emj.bmj.com/content/34/5/272.abstract AB