| 1. | 
																						 
											R. E. Windsor, “Frequency of Asymptomatic Cervical Disc Protrusions,” Cervical Disc Injuries, dicine, Retrieved2008-02-27, 2006
																						 | 
										
																													
																							| 2. | 
																						 
											C. W. Ernst, T. W. Stadnik, E. Peeters, C. Breucq,M. J. Osteaux, “Prevalence of Annular Tears and Disc Herniations on MR Images of the Cervical Spine in Symptom Free Volunteers,” European Journal Radiology, Vol. 55, No. 3, pp. 409-414, 2005
																						 | 
										
																													
																							| 3. | 
																						 
											N. T.Al-Ryalat, S. A. Saleh, W. S. Mahafza, O. A. Samara, A. T. Ryalat, and A. M. Al-Hadidy, “Myelopathy Associated with Age-Related Cervical Disc Herniation: A Retrospective Review of Magnetic Resonance Images,” Annals of Saudi Medicine, Vol. 37, No. 2, pp. 130-137, 2017
																						 | 
										
																													
																							| 4. | 
																						 
											“Axial View of Herniated Lumbar Disc,” (https://www.flickr.com/photos/mandj98/3577200638, accessed December 2019)
																						 | 
										
																													
																							| 5. | 
																						 
											W. K. Hsu, “Lumbar and Cervical Disk Herniations in NFL Players: Return to Action,” Orthopedics, Vol. 33, No. 8, pp. 566-568, 2010
																						 | 
										
																													
																							| 6. | 
																						 
											G. Garra, A. J. Singer, R. Leno, B. R. Taira, N. Gupta, B. Mathaikutty, et al., “Heat or Cold Packs for Neck and Back Strain: A Randomized Controlled Trial of Efficacy,” Academic Emergency Medicine, Vol. 17, No. 5, pp. 484-489, 2010
																						 | 
										
																													
																							| 7. | 
																						 
											N. Graham, A. Gross, C. H. Goldsmith, M. J.Klaber Moffett, T. Haines, S. J. Burnie, et al., “Mechanical Traction for Neck Pain with or Without Radiculopathy,”Cochrane Database of Systematic Reviews, 2008
																						 | 
										
																													
																							| 8. | 
																						 
											S. M. Khwaja, M. Minnerop,A. J. Singer, “Comparison of Ibuprofen, Cyclobenzaprine or Both in Patients with Acute Cervical Strain: A Randomized Controlled Trial,” CJEM, Vol. 12, No. 1, pp. 39-44, 2010
																						 | 
										
																													
																							| 9. | 
																						 
											T. Sugawara, “Anterior Cervical Spine Surgery for Degenerative Disease: A Review,” Neurologia Medico-Chirurgica, Vol. 55, No. 7, pp. 540-546, 2015
																						 | 
										
																													
																							| 10. | 
																						 
											A. Gross, T. M. Kay, J. P. Paquin, S. Blanchette, P. Lalonde, T. Christie, et al., “Exercises for Mechanical Neck Disorders,”Cochrane Database of Systematic Reviews, 2015
																						 | 
										
																													
																							| 11. | 
																						 
											C. George, “Bedstead Attached Cervical Traction Means,” U.S. Patent No. 2,831,482. 22, April 1958
																						 | 
										
																													
																							| 12. | 
																						 
											F. J. Nightingale, “Cervical Traction Unit,” U.S. Patent No. 4,166,459. 4, September 1979
																						 | 
										
																													
																							| 13. | 
																						 
											J. W.Moers and R. P. Meyst, “Cervical Traction Assembly Having Head Cradle with Occipital Shelf,” U.S. Patent No. 4,736,736. 12, April 1988
																						 | 
										
																													
																							| 14. | 
																						 
											W. L. Freed, “Cervical Traction Device,” U.S. Patent No. 5,067,483. 26, November 1991
																						 | 
										
																													
																							| 15. | 
																						 
											S. Bragg, F. J. Koolhof,V. G. Bonessa, “Inflatable Cervical Traction Collar,” U.S. Patent No. 5,403,266. 4, April 1995
																						 | 
										
																													
																							| 16. | 
																						 
											R. Chitwood, “Cervical Traction Device,” U.S. Patent No. 5,441,479. 15, August 1995
																						 | 
										
																													
																							| 17. | 
																						 
											E. Aune, N. Chitwood,S. Nickell, “Cervical Traction/Stretch Device and Method for Its Use,” U.S. Patent No. 8,251,939. 28, August 2012
																						 | 
										
																													
																							| 18. | 
																						 
											H. T. Vaughn, K. M. Having,J. L. Rogers, “Radiographic Analysis of Intervertebral Separation with a 0 and 30 Rope Angle using the Saunders Cervical Traction Device,” Spine 31.2: E39-E43, 2006
																						 | 
										
																													
																							| 19. | 
																						 
											L. K. F.Wong, Z. W. Luo, and N. Kurusu, “Dynamic Simulation of Cervical Traction Therapy: Comparison Between Sitting and Inclined Positions,” in Proceedings of 2014 IEEE International Conference on Robotics and Biomimetics (ROBIO 2014), IEEE, 2014
																						 | 
										
																													
																							| 20. | 
																						 
											“Slipped Disc Patients Can Now Prevent Surgery,” (https://www.qispine.com/blog/slipped-disc-patients-prevent-surgery/, accessed January 2020)
																						 |