Neck Reference 
Information on causes, treatments, patient stories on neck injury, including and a physician locator.
http://www.neckreference.comeMedicine Health - Shoulder and Neck Pain 
Information on the causes, symptoms, and treatment.
http://www.emedicinehealth.com/articles/5670-1.asp
American Academy of Orthopaedic Surgeons: Neck Pain 
Patient education on causes, diagnosis, and treatment options for neck pain.
http://orthoinfo.aaos.org/brochure/thr_report.cfm?Thread_ID=11&topcategory=Neck
Neck Strain 
Information on the causes, symptoms, and treatment of neck strain.
http://www.emedicinehealth.com/articles/5471-1.asp
mSpine 
Information on an artificial cervical disc.
http://www.mspine.com/
Neck pain 
Information from the Mayo Clinic.
http://www.mayoclinic.com/health/neck-pain/DS00542
Neck Pain: Part 1: Narrowing the Differential 
Article on different causes from the Physician and Sports Medicine.
http://www.physsportsmed.com/issues/1996/10_96/aptaker.htm