1. Prolonged (therapeutic) endotracheal intubation;Harrison;Br J Anaesth,1968
2. Prolonged endotracheal intubation;Lindholm;Acta Anaesthiol Scand (Suppl),1969
3. Airway problems in children following prolonged endotracheal intubation;Fearon;Ann Otol,1966
4. Serious laryngeal complications of prolonged endotracheal intubation;Harrison;Med J Aust,1967
5. Management of patients undergoing prolonged artificial ventilation;Bendixen,1965