RT Journal Article SR Electronic T1 Recognition of endotracheal tube migration JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 85 OP 85 DO 10.1136/emermed-2011-200265 VO 29 IS 1 A1 Durge, Neal YR 2012 UL http://emj.bmj.com/content/29/1/85.abstract AB