Reid, K. ., Carlson, C. ., Sherman, J. ., Curran, S. ., & Gracely, R. . (1996). Influence of a sympathomimetic amine on masticatory and trapezius pain/pressure thresholds and electromyographic levels. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics, 82(5), 525-31. https://doi.org/10.1016/s1079-2104(96)80197-1