References

1. Murphy DR. History and physical examination. In: Murphy DR, ed. Conservative Management of Cervical Spine Syndromes. New York: McGraw-Hill, 2000:387-419.

2. Travell JG, Simons DG. Myofascial Pain and Dysfunction: The Trigger Point Manual. Vol. 1, 2nd ed. Baltimore, MD: Williams and Wilkens, 1999.

3. Murphy DR. Dysfunction in the cervical spine. In: Murphy DR, ed. Conservative Management of Cervical Spine Syndromes. New York: McGraw-Hill, 2000:71-104.