RT Journal Article SR Electronic T1 Eyebrow sign in facial trauma JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 962 OP 962 DO 10.1136/emj.2010.110403 VO 28 IS 11 A1 Wojciech K Sawicki A1 Glenys Hunter YR 2011 UL http://emj.bmj.com/content/28/11/962.abstract AB