RT Journal Article SR Electronic T1 Retropharyngeal abscess secondary to a foreign body JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 723 OP 723 DO 10.1136/emj.2008.064956 VO 26 IS 10 A1 H Rumbold YR 2009 UL http://emj.bmj.com/content/26/10/723.abstract AB