D. R. Hillman, P. R. Platt and P. R. Eastwood, “The Upper Airway during Anaesthesia,” British Journal of Anaesthesia, Vol. 91, No. 1, 2003, pp. 31-39.
 F. Donati, “Tracheal Intubation: Unconsciousness, Analgesia and Muscle Relaxation,” Canadian Journal of Anaesthesia, Vol. 50, No. 2, 2003, pp. 99-103.
 American Society of Anesthesiologists Task Force on Management of the Difficult Airway, “Practice Guidelines for the Management of the Difficult Airway: An Updated Report by the ASA Task Force on Management of the Difficult Airway,” Anesthesiology, Vol. 98, No. 5, 2003, pp. 1269-1277.
 R. Greif, B. M. Kleine and L. Theiler, “Awake Tracheal Intubation Using the Senascope in 13 Patients with an Anticipated Difficult Airway,” Anaesthesia, Vol. 65, No. 5, 2010, pp. 525-528.
 K. A. Faccenda and B. T. Finucane, “Complications of Regional Anaesthesia: Incidence and Prevention,” Drug Safety, Vol. 24, No., 2001, pp. 413-442.
 K. S. Chu, F. Y. Wang, H. T. Hsu, I. C. Lu, H. M. Wang and C. J. Tsai, “The Effectiveness of Dexmedetomidine Infusion for Sedating Oral Cancer Patients Undergoing Awake Fibreoptic Nasal Intubation,” European Journal of Anaesthesiology, Vol. 27, No. 1, 2010, pp. 36-40.
 S. S. Moorthy, S. Gupta, B. Laurent and E. C. Weisberger, “Management of Airway in Patients with Laryngeal Tumors,” Journal of Clinical Anesthesia, Vol. 17, No. 8, 2005, pp. 604-609.
 Y. C. Xu, F. S. Xue, M. P. Luo, Q. Y. Yang, X. Liao, Y. Liu and Y. M. Zhang, “Median Effective Dose of Remifentanil for Awake Laryngoscopy and Intubation,” Chinese Medical Journal, Vol. 122, No. 13, 2009, pp. 1507-1512.
 K. Mönkemüller, L. Zimmermann, “Propofol and Fospropofol Sedation during Bronchoscopy,” Chest, Vol. 137, No. 6, 2010, p. 1489.
 M. R. Rai, T. M. Parry, A. Dombrovskis and O. J. Warner, “Remifentanil Target-Controlled Infusion Vspropofoltarget Controlled Infusion for Conscious Sedation for Awake Fibreoptic Intubation: A Double-Blinded Randomized Controlled Trial,” British Journal of Anaesthesia, Vol. 100, No. 1, 2008, pp. 125-130.
 T. Cafiero, F. Esposito, G. Fraioli, G. Gargiulo, A. Frangiosa, L. M. Cavallo, N. Mennella and P. Cappabianca, “Remifentanil-TCI and Propofol-TCI for Conscious Sedation during Fiberoptic Intubation in the Acromegalic Patient,” European Journal of Anesthesiology, Vol. 25, No. 8, 2008, pp. 670-674.
 D. Stolz, P. Chhajed, J. Leuppi, M. Brutsche, E. Pflimlin and M. Tamm, “Couph Suppression during Flexible Bronchoscopy Using Combined Sedation with Midazolam and Hydrocodeine: A Randomized Double Blind Placebo Controlled Trial,” Thorax, Vol. 59, 2004, pp. 773-776.
 M. J. Javid, M. Rahimi and A. Keshvari, “Dissociative Conscious Sedation, an Alternative to General Anesthesia for Laparascopic Peritoneal Dialysis Catheter Implantation: A Randomized Trial Comparing Intravenous and Subcutaneous Ketamine,” Peritoneal Dialysis International, Vol. 31, No. 3, 2010, pp. 308-314.
 M. J. Javid, “Subcutaneous Dissociative Conscious Sedation (sDCS) an Alternative Method for Airway Regional Blocks: A New Approach,” BMC Anesthesiology, Vol. 11, 2011, p. 19. http://dx.doi.org/10.1186/1471-2253-11-19
 M. J. Javid, “Conscious Sedation with Subcutaneous ketamine as an Alternative to Airway Regional Blocks [Abstract],” 1st International Congress of Airway Management and Anesthesia in Head and Neck Surgery, Tehran, 20-22 May 2009, p. 131.
 M. J. Javid, M. B. Rahim and S. Rafiian, “Subcutaneous Dissociative Conscious Sedation (sDCS) a New Approach to Compromised Airway in Mediastinal Masses,” Open Journal of Anesthesiology, Vol. 2, No. 4, 2012, pp. 166-169. http://dx.doi.org/10.4236/ojanes.2012.24037
 R. H. Kroneberg, “Ketamine as an Analgesic: Parentral, Oral, Rectal, Subcutaneous, Transdermal and Intranasal Administration,” Journal of Pain & Palliative Care Pharmacotherapy, Vol. 16, No. 3, 2002, pp. 27-35.
 A. Cromhout, “Ketamine: Its Use in the Emergency Department,” Emergency Medicine, Vol. 15, No. 2, 2003, pp. 155-159. http://dx.doi.org/10.1046/j.1442-2026.2003.00433.x
 C. M. Arroyo-Novoa, M. I. Figueroa-Ramos, C. Miaskowski, G. Padilla, S. M. Paul, P. Rodríguez-Ortiz, et al., “Efficacy of Small Doses of Ketamine With Morphine to Decrease Procedural Pain Responses During Open Wound Care,” The Clinical Journal of Pain, Vol. 27, No. 7, 2011, pp. 561-566.
 K. Jackson, M. Ashby, D. Howell, J. Petersen, D. Brumley and P. Good, “The Effectiveness and Adverse Effects Profile of ‘Burst’ Ketamine in Refractory Cancer Pain: The VCOG PM 1-00 Study,” Journal of Palliative Care, Vol. 26, No., 2010, pp. 176-183.
 M. L. Rasmussen, O. Mathiesen, G. Dierking, B. V. Christensen, K. L. Hilsted, T. K. Larsen, et al., “Multimodal Analgesia with Gabapentin, Ketamine and Dexamethasone in Combination with Paracetamol and Ketorolac after Hip Arthroplasty: A Preliminary Study,” European Journal of Anaesthesiology, Vol. 27, 2010, pp. 324-330.
 G. Treston, A. Bell, R. Cardwell, G. Fincher, D. Chand and G. Cashion, “What Is the Nature of the Emergence Phenomenon When Using Intravenous or Intramuscular Ketamine for Paediatric Procedural Sedation?” Emergency Medicine Australasia, Vol. 21, No. 4, 2009, pp. 315-322. http://dx.doi.org/10.1111/j.1742-6723.2009.01203.x
 N. H. Jun, J. K. Shim, Y. S. Choi, S. H. An and Y. L. Kwak, “Effect of Ketamine Pretreatment for Anaesthesia in Patients Undergoing Percutaneous Transluminal Balloon Angioplasty with Continuous Remifentanil Infusion,” Korean Journal of Anesthesiology, Vol. 61, No. 4, 2011, pp. 308-314.
 S. Sener, C. Eken, C. H. Schultz, M. Serinken and M. Ozsarac, “Ketamine with and without Midazolam for Emergency Department Sedation in Adults: A Randomized Controlled Trial,” Annals of Emergency Medicine, Vol. 57, No. 2, 2011, pp. 109-114.