RT Journal Article SR Electronic T1 Bloody tears JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 286 OP 286 DO 10.1136/emermed-2011-200955 VO 29 IS 4 A1 Stephan Wieser YR 2012 UL http://emj.bmj.com/content/29/4/286.abstract AB