Randomized Controlled Trial

Nasotracheal intubation: a randomized trial of two methods.

Anesthesiology. 2002 Jan 1;96(1):51-3.
Case Reports

Retrieval of a retrograde catheter using suction, in patients who cannot open their mouths.

Br J Anaesth. 2004 Jun 1;92(6):888-901.
Randomized Controlled Trial

Telescoping tracheal tubes into catheters minimizes epistaxis during nasotracheal intubation in children.

Anesthesiology. 2007 Feb 1; 106 (2): 238-42.