RT Journal Article SR Electronic T1 Buscopan for oesophageal food bolus impaction JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 360 OP 361 DO 10.1136/emj.2007.048496 VO 24 IS 5 A1 R Anderson A1 Jason Lee YR 2007 UL http://emj.bmj.com/content/24/5/360.abstract AB