1. Selye H . Stress without distress. Signet: New American Library, 1975.
2. Fonder A . The dental physician. Rock Falls, Illinois: Medical–Dental Arts, 1985.
3. Travell J G, Simons D G . Myofascial pain and dysfunction. The Trigger Point Manual, Williams and Wilkins, 1983.
4. Guzay C M . The Quadrant Theorem. Chicago: Doctors Dental Service, 1980.
5. From seminar notes. (Professor Rocabado is currently Dean of the Rehabilitation Science Faculty at the University of Andres Bello, Santiago de Chile, Chile. He is also Head of Physical Therapy and Physical Medical Rehabilitation at Integramedica, Santiago, Chile and Professor of Head Neck Biomechanics on the Post Graduate Orthodontic Programme, School of Dentistry, University of Chile.)