_{252. Simons DG, Hong CZ, Simons LS: Prevalence of spontaneous electrical activity at trigger spots and control sites in rabbit muscle. J Musculoske Pain 3(1):35–48, 1995.}

_{253. Simons DG, Hong CZ, Simons LS: Nature of myofascial trigger points, active loci. J Musculoske Pain 3(Supplement 1):62, 1995. (Abstract)}

_{254. Simons DG, Hong CZ, Simons LS: Spontaneous electrical activity of trigger points. J Musculoske Pain 3(Supplement 1):124, 1995. (Abstract)}

_{255. Simons DG, Hong CZ, Simons LS: Spike activity in trigger points. J Musculoske Pain 3(Supplement 1): 125, 1995. (Abstract)}

_{256. Simons DG, Hong CZ, Simons LS: Presence of electrically active loci in human trigger points, endplate zones, and taut bands. (In Press).}

_{257. Simons DG, Stolov WC: Microscopic features and transient contraction of palpable bands in canine muscle. Am J Phys Med 55.65–88, 1976.}

_{258. Simons DG, Travell JG; Myofascial trigger points, a possible explanation. Pain 1:.106–109, 1981.}

_{259. Simons DG, Travell JG: Myofascial origins of low back pain. Parts 1, 2, 3. Postgrad Med 71-66-108, 1983.}

_{260. Sinclair DC: The remote rcfercncc of pain aroused in the skin. Brain 72:364–372, 1949.}

_{261. Skootsky SA, Jaeger B, Oyc RK: Prevalence of myofascial pain in general internal medicine practice. West J Med 151:157–160, 1989.}

_{262. Smythe HA, Moldofsky H: Two contributions to understanding the «fibrositis syndrome.» Bull Rheum Dis 28:928–931, 1977.}

_{263. Sola AE: Personal communication, 1981.}

_{264. Sola AE, Bonica JJ: Myofascial pain syndromes, Chap. 21. In: The Management of Pain, Ed. 2. Edited by Bonica JJ, Locser JD, Chapman CR, et al. Lea & Febiger, Philadelphia, 1990, (pp. 352–367).}

_{265. Sola AE, Rodenberger ML, Gcttys BB: Incidence of hypersensitive areas in posterior shoulder muscles. Am J Phys Med 34:585–590, 1955.}

_{266. Sercnscn J, Bcngtsson A, Backman E, et al.: Pain analysis in patients with fibromyalgia. Effects of intravenous morphine, lidocaine, and ketamine. Scand J Rheumatol 2W360-365, 1995.}

_{267. Starlanyl D, Copeland ME: Fibromyalgia & Chronic Myofascial Pain Syndrome: A Survival Manual. New Harbinger Publications, Oakland, 1996.}

_{268. Stockman R: Chronic rheumatism, chronic muscular rheumatism, fibrositis, Ch. 2. In: Rheumatism and Arthritis, Edited by Stockman R. W. Green & Son, Edinburgh, 1920 (pp. 41–56).}

_{269. Swerdlow B, Dieter JN: An evaluation of the sensitivity and specificity of medical thermography for the documentation of myofascial trigger points. Pain 48:205–213, 1992.}

_{270. Swcit JE, Eldrcd E, Buchwald JS: Somatotopic cord-to-muscle relations in efferent innervation of cat gastrocnemius. Am J Physiol 219(3):762-m, 1970.}

_{271. Tonndorf ML, Hannam AL: Motor unit territory in relation to tendons in the human masseter muscle. Muscle Nerve 17:436–443, 1994.}

_{272. Travell J: Basis for the multiple uses of local block of somatic trigger areas (procaine infiltration and ethyl chloride spray). Miss Valley Med J 71:13–22, 1949.}

_{273. Travell J: Pain mechanisms in connective tissue. In Connective Tissues, Transactions of the Second Conference, 1951. Edited by Ragan C. Josiah Macy, Jr. Foundation, New York, 1952 (pp. 96-102, 105–109, 111).}

_{274. Travell J: Introductory Comments. In Connective Tissues, Transactions of the Fifth Conference, 1954. Edited by Ragan C. Josiah Macy, Jr. Foundation, New York, 1954 (pp. 12–22).}

_{275. Travell J: Temporomandibular joint pain referred from muscles of the head and neck. J Prosthet Dent 10:745–763, 1960.}

_{276. Travell J: Mechanical headache. Headache 7:23–29, 1967.}

_{277. Travell J: Myofascial trigger points: clinical view. In: Advances in Pain Research and Therapy, Vol. I. Edited by Bonica JJ, Albe-Fessard D. Raven Press, New York, 1976, pp. 919–926 (Fig. 10).}

_{278. Travell J: Identification of myofascial trigger point syndromes: a case of atypical facial neuralgia. Arch Phys Med Rehabil 62:100–106, 1981.}

_{279. Travell JG: Chronic Myofascial Pain Syndromes. Mysteries of the History, Chapter 6. In: Advances in Pain Research and Therapy: Myofascial Pain and Fibromyalgia, Vol. 17. Edited by Fricton JR, Awad EA. Raven Press, New York, 1990 (pp. 129–137).}

_{280. Travell J, Rinzler S, Herman M: Pain and disability of the shoulder and arm: treatment by intramuscular infiltration with procaine hydrochloride. JAMA 120:44—422, 1942.}

_{281. Travell J, Bobb AL: Mechanism of relief of pain in sprains by local injection techniques. Fed Proc 6:378, 1947.}

_{282. Travell J, Rinzler SH: The myofascial genesis of pain. Postgrad Med 11:425–434, 1952.}

_{283. Travell JG, Simons DG: Myofascial Pain and Dysfunction: The Trigger Point Manual, Vol. I. Williams & Wilkins, Baltimore, 1983.}

_{284. Travell JG, Simons DG: Myofascial Pain and Dysfunction: The Trigger Point Manual. Vol 2. Williams & Wilkins, Baltimore, 1992.}

_{285. Trommcr PR, Gellman MB: Trigger point syndrome. Rheumatism 8:67–72, 1952.}

_{286. Van Stolk I: Personal communication, 1997.}

_{287. Vccchiet L, Galletti R, Giamberardino MA, et al.: Modifications of cutaneous, subcutaneous, and muscular sensory and pain thresholds after the induction of an experimental algogenic focus in the skeletal muscle. Clin J Pain 4:55–59, 1988.}

_{288. Vecchiet L, Giamberardino MA, de Bigontina Р, et al.: Comparative sensory evaluation of parietal tissues in painful and nonpainful areas in fibromyalgia and myofascial pain syndrome. Chapter 13. In: Proceedings of the 7th World Congress on Pain: Progress in Pain Research and Management, Vol. 2. Edited by Gebhart GF, Hammond DL, Jensen TS. 1ASP Press, Seattle, 1994, (pp. 177–249).}

_{289. Walsh EG: Muscles, Masses & Motion. The Physiology of Normality, Hypotonicity, Spasticity S Rigidity. MacKeith Press, Distributed by Cambridge University Press, 1992. ISBN (UK) 0 901 260 97 5, (USA) 0 521 43 229 4.}

_{290. Ward AA: Spontaneous electrical activity at combined acupuncture and myofascial trigger point sites. Acupuncture Med 14(2):75–79, 1996.}

_{291. Webber TD: Diagnosis and modification of headache and shoulder-arm-hand syndrome. J Am Osteopath Assoc 72:697–710, 1973.}

_{292. Weeks VD, Travell J: How to give painless injections. AMA Scientific Exhibits 1957, Gnine & Stratton, New York, 1957 (pp. 318–322).}

_{293. Weiser HI: Semimembranosus insertion syndrome: a treatable and frequent cause of persistent knee pain. Arch Phys Med Rehabil 60:317–319, 1979.}

_{294. Weiss S, Davis D: The significance of the afferent impulses from the skin in the mechanism of visceral pain, skin infiltration as a useful therapeutic measure. Am J Med Sci 176:517–536, 1928.}

_{295. Wiederholt WC: «End-plate noise» in electromyography. Neurology 20:214–224, 1970.}

_{296. Wilkins JC, Meerschaert JR: Hypermobility syndrome-prevalence and manifestations. Arch Phys Med Rehabil 76:1047, 1995. [Abstract]}

_{297. Wolfe F, Simons D, Fricton J, et al.: The fibromyalgia and myofascial pain syndromes: a preliminary study of tender points and trigger points in persons with fibromyalgia, myofascial pain syndrome and no disease. J Rheumatol 19:944–951, 1992.}

_{298. Wolfe F, Smythe HA, Yunus MB, et al.: American College of Rheumatology 1990 Criteria for the Classification of Fibromyalgia: Report of the Multicenter Criteria Committee. Arthritis Rheum 33.160–172, 1990.}