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37. Jaeger B, Reeves JL, GraffGreenman-Radford SB: A psychophysiological investigation of myofascial trigger point sensitivity vs. EMG activity and tension headache. Cephalalgia 5(Suppl 3):68, 1985.

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44. Kelly М: New light on the painful shoulder. Med J Aust 1:488–493, 1942 (Cases I and 2).

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47. Kendall FP, McCreaiy EK, Provance PG: Muscles, Testing and Function. Ed. 4. Williams & Wilkins, Baltimore, 1993 (p. 282).

48. Kraus H: Clinical Treatment of Back and Neck Pain. McGraw-Hill, New York, 1970 (p. 98).

49. Kraus H: Trigger points. NY State J Med 73(11):1310–1314, 1973.

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63. Ibid. (p. 46).

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65. Mennell JM: Joint Pain: Diagnosis and Treatment Using Manipulative Techniques. Little, Brown & Co, Boston, 1964.

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67 Model! W, Travell JT, Kraus H, et al.: Contributions to Cornell Conferences on Therapy. Relief of pain by ethyl chloride spray. NY State J Med 52:1550–1558, 1952.

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69. Pace JB: Commonly overlooked pain syndromes responsive to simple therapy. Postgrad Med 58:107–113, 1975 (Fig. 4).

70. Patton IJ, Williamson JA: Fibrositis as a factor in the differential diagnosis of visceral pain. Can Med Assoc J 58:162–166, 1948 (Case I).

71. Pemkopf E: Atlas of Topographical and Applied Human Anatomy, Vol 2. W. B. Saunders, Philadelphia, 1964 (p. 33, Fig. 27).

72. Rachlin ES: Injection of specific trigger points. Chapter 10. In: Myofascial Pain and Fibromyalgia. Edited by Rachlin ES. Mosby, St. Louis, 1994, pp. 197–360 (see pp. 300–303).

73. Rasch PJ, Burke RK: Kinesiology and Applied Anatomy. Ed. 6. Lea & Febiger, Philadelphia, 1978 (pp. 146–150).

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76. Rubin D: An approach to the management of myofascial trigger point syndromes. Arch Phys Med