Comparative Study

Esophageal detector device versus detection of end-tidal carbon dioxide level in emergency intubation.

Ann Emerg Med. 1996 May 1;27(5):595-9.
Randomized Controlled Trial

The oesophageal detector device. A prospective trial on 100 patients.

Anaesthesia. 1989 May 1;44(5):412-4.
Comparative Study

The assessment of three methods to verify tracheal tube placement in the emergency setting.

Resuscitation. 2003 Feb 1; 56 (2): 153-7.