P. Michalek, P. Hodgkinson and W. Donaldson, “Fiberoptic Intubation through an I-Gel Supraglottic Airway in Two Patients with Predicted Difficult Airway and Intellectual Disability,” Anesthesia & Analgesia, Vol. 106, No. 5, 2008, pp. 1501-1504. doi:10.1213/ane.0b013e31816f22f6
 P. Michalek, W. Donaldson, C. Graham and J. D. Hinds, “Comparison of the I-Gel Supraglottic Airway as a Conduit for Tracheal Intubation with the Intubating Laryngeal Mask Airway: A Manikin Study,” Resuscitation, Vol. 81, No. 1, 2010, pp. 74-77. doi:10.1016/j.resuscitation.2009.10.009
 L. G. Theiler, M. Kleine-Brueggeney, D. Kaiser, N. Urwyler, C. Luyet, A. Vogt, R. Greif and M. Unibe, “Crossover Comparison of the Laryngeal Mask Supreme(TM) and the IGel(TM) in Simulated Difficult Airway Scenario in Anesthetized Patients,” Anesthesiology, Vol. 111, No. 1, 2009, pp. 55-62. doi:10.1097/ALN.0b013e3181a4c6b9
 G, Iohom, M. Ronayne and A. J. Cunningham, “Prediction of Difficult Tracheal Intubation,” European Journal of Anaesthesiology, Vol. 20, No. 1, 2003, pp. 31-36. doi:10.1097/00003643-200301000-00006
 J. C. Tse, E. B. Rimm and A. Hussain, “Predicting Difficult Endotracheal Intubation in Surgical Patients Scheduled for General Anaesthesia: A Prospective Blind Study,” Anesthesia & Analgesia, Vol. 81, No. 2, 1995, pp. 254-258.
 American Society of Anesthesiologists Task Force on Management of the Difficult Airway, “Practice Guidelines for Management of the Difficult Airway: An Updated Report by the American Society of Anesthesiologists Task Force on Management of the Difficulty Airway,” Anesthesiology, Vol. 98, No. 5, 2003, pp. 1269-1277.
 A. Higgs, E. Clark and K. Premroj, “Low Skill Fiberoptic Intubation: Use of the Aintree Catheter with the Classic LMA,” Anaesthesia, Vol. 60, No. 9, 2005, pp. 915-920. doi:10.1111/j.1365-2044.2005.04226.x
 K. M. Jackson and T. M. Cook, “Evaluation of Four Airway Training Manikins as Patient Simulators for the Insertion of Eight Types of Supraglottic Airway Devices,” Anaesthesia, Vol. 62, No. 4, 2007, pp. 388-393. doi:10.1111/j.1365-2044.2007.04983.x
 V. Uppal, S. Gangaiah, G. Fletcher and J. Kinsella, “Randomized Crossover Comparison between the I-Gel and the LMA-Unique in Anaesthetized, Paralysed Adults,” British Journal of Anaesthesia, Vol. 103, No. 6, 2009, pp. 882-885. doi:10.1093/bja/aep292
 N. M. Wharton, B. Gibbison, D. A. Gabbott, G. M. Haslam, N. Muchatuta and T. M. Cook, “I-Gel Insertion by Novices in Manikins and Patients,” Anaesthesia, Vol. 63, No. 3, 2008, pp. 991-995. doi:10.1111/j.1365-2044.2008.05542.x
 L. Beylacq, M. Bordes, F. Semjen and A.-M. Cros, “The I-Gel, a Single-Use Supraglottic Airway Device with a Non-Inflatable Cuff and an Esophageal Vent: An Observational Study in Children,” Acta Anaesthesiologica Scandinavica, Vol. 53, No. 3, 2009, pp. 376-379. doi:10.1111/j.1399-6576.2008.01869.x