RT Journal Article SR Electronic T1 BET 2: Use of end-tidal carbon dioxide indicators in prehospital intubations will reduce the number of incorrectly placed endotracheal tubes JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 810 OP 811 DO 10.1136/emermed-2011-200542 VO 28 IS 9 YR 2011 UL http://emj.bmj.com/content/28/9/810.abstract AB