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_{31. Hong CZ: Considerations and recommendations regarding myofascial trigger point injection. J Musculoske Pain 2(1):29–59, 1994.}

_{32. Hong CZ: Lidocaine injection versus dry needling to myofascial trigger point: the importance of the local twitch response. Am J Phys Med Rehabil 73:256–263, 1994.}

_{33. Horton CE, Crawford HH, Adamson JE, et al.: Torticollis, South Med J 60:953–958, 1967.}

_{34. Jaeger B: Are «cervicogenic» headaches due to myofascial pain and cervical spine dysfunction? Cephalalgia 9:157–164, 1989.}

_{35. Jaeger B: Differential diagnosis and management of craniofacial pain. Chapter 11. In: Endodontics. Ed. 4. Edited by Ingle Jl, Bakland LK. Williams & Wilkins, Baltimore, 1994 (pp. 550–607).}

_{36. Jenkins DB: Hollinshead’s Functional Anatomy of the Limbs and Back. Ed. 6. W. B. Saunders, Philadelphia, 1991 (pp. 80, 81, 344).}

_{37. Kellgren JH: Deep pain sensibility. Lancet 1:943–949, 1949.}

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_{39. Lange M: Die Muskelharten (Myogelosen). J. F. Lehmanns, Miinchen, 1931 (pp. 88, 89, Fig. 30).}

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_{46. Ibid. (pp. 41, 116).}

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_{51. Politzer A: A Textbook of Diseases of the Ear. Ed. 4. Lea Bros & Co., Philadelphia, 1902 (p. 642).}

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_{54. Rasch PJ, Burke RK: Kinesiology and Applied Anatomy. Lea & Febiger, Philadelphia, 1967 (pp. 231, 233, 258).}

_{55. Reynolds MD: Myofascial trigger point syndromes in the practice of rheumatology. Arch Phys Med Rehabil 62:111–114, 1981 (Tables 1 and 2).}

_{56. Sarnat HB, Morrissy RT: Idiopathic torticollis: sternocleidomastoid myopathy and accessoiy neuropathy. Muscle Nerve 4:374–380, 1981.}

_{57. Sharav Y, Tzukert A, Refaeli B: Muscle pain index in relation to pain, dysfunction, and dizziness associated with the myofascial pain-dysfunction syndrome. Oral Surg 46:742–747, 1978.}

_{58. Snyder CH: Paroxysmal torticollis in infancy. AmJDis Child 177:458–460, 1969.}

_{59. Spalteholz W: Handatlas der Anatomie des Menschen. Ed. 11, Vol. 2. S. Hirzel, Leipzig, 1922 (p. 270).}

_{60. Toldt C: An Atlas of Human Anatomy, translated by М. E. Paul. Ed. 2, Vol. 1. Macmillan, New York, 1919 (p. 292).}

_{61. Travel] J: Rapid relief of acute «stiff neck» by ethyl chloride spray. J Am Med Worn Assoc 4:89–95, 1949.}

_{62. Travell J: Pain mechanisms in connective tissue. In: Connective Tissues, Transactions of the Second Conference, 1951. Josiah Macy, Jr. Foundation, New York, 1952 (pp. 86-125).}

_{63. Travell J: Referred pain from skeletal muscle: pectoralis major syndrome of breast pain and soreness and stemomastoid syndrome of headache and dizziness. NY State J Med 55:331–339, 1955.}

_{64. Travell J: Symposium on mechanism and management of pain syndromes. Proc Rudolf Virchow Med Soc 16:128–136, 1957 (pp. 4, 5, Figs. 2, 3).}

_{65. Travell J: Temporomandibular joint pain referred from muscles of the head and neck. J Prosthet Dent 10:745–763, 1960.}

_{66. Travell J; Mechanical headache. Headache 7:23–29, 1967.}

_{67. Travell J: Office Hours: Day and Night. The World Publishing Company, New York, 1968 (p. 271).}

_{68. Ibid. (pp. 293–294).}

_{69. Travell J: Identification of myofascial trigger point syndromes: a case of atypical facial neuralgia. Arch Phys Med Rehabil 62:100–106, 1981.}

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