Carlson, C. ., Wynn, K. ., Edwards, J. ., Okeson, J. ., Nitz, A. ., Workman, D. ., & Cassisi, J. . (1996). Ambulatory electromyogram activity in the upper trapezius region: patients with muscle pain vs. pain-free control subjects. Spine, 21(5), 595-9. https://doi.org/10.1097/00007632-199603010-00012 (Original work published 1996)

Carlson, C. ., Okeson, J. ., Falace, D. ., Nitz, A. ., & Lindroth, J. . (1993). Reduction of pain and EMG activity in the masseter region by trapezius trigger point injection. Pain, 55(3), 397-400. https://doi.org/10.1016/0304-3959(93)90018-K

Carlson, C. ., Okeson, J. ., Falace, D. ., Nitz, A. ., Curran, S. ., & Anderson, D. . (1969). Comparison of psychologic and physiologic functioning between patients with masticatory muscle pain and matched controls. Journal of Orofacial Pain, 7(1), 15-22. (Original work published 1969)

Carlson, C. ., & Nitz, A. . (1991). Negative side effects of self-regulation training: relaxation and the role of the professional in service delivery. Biofeedback and Self-Regulation, 16(2), 191-7. https://doi.org/10.1007/BF01000193

Carlson, C. ., Okeson, J. ., Falace, D. ., Nitz, A. ., & Anderson, D. . (1969). Stretch-based relaxation and the reduction of EMG activity among masticatory muscle pain patients. Journal of Craniomandibular Disorders : Facial & Oral Pain, 5(3), 205-12. (Original work published 1969)

Carlson, C. ., FL, C. . , Jr, Nitz, A. ., Sturgis, E. ., & Rogers, J. . (1990). Muscle stretching as an alternative relaxation training procedure. Journal of Behavior Therapy and Experimental Psychiatry, 21(1), 29-38. https://doi.org/10.1016/0005-7916(90)90046-n