References
- Yunus M, Masi AT and Aldag JC: A controlled study of primary fibromyal-gia syndrome: Clinical features and association with other functional syndromes. J Rheumatol 16 (supplement 19): 62–71, 1989.
- Wolfe F, Smythe HA, Yunus MB et al.: The American College of Rheu-matology 1990 criteria for the classification of fibromyalgia: Report of the multi-center criteria committee. Arthritis Rheum 33: 160–172, 1990.
- Granges G, Littlejohn GO: A comparative study of clinical signs in fibro-myalgia/fibrositis syndrome, normal and exercising subjects. J Rheumatol 20: 1993 (In press).
- Quimby LG, Block SR, Gratwick GM: Fibromyalgia; generalised pain in-tolerance and manifold symptom reporting. J Rheumatol 15: 1264–1270, 1988.
- Littlejohn GO, Weinstein C, Helme RD: Increased neurogenic inflammation in fibrositis syndrome. J Rheumatol 14: 1022–1025, 1987.
- Russell IJ, Vipraio GA, Morgan WM, Bowden CL: Is there a metabolic ba-sis for the fibrositis syndrome? Am J Med 81: 50–54, 1986.
- Vaeroy H, Sakurada T, Forre 0, Kass E, Terenius L: Modulation of pain in fibromyalgia: cerebrospinal fluid (CSF) investigation of pain related neuropep-tides with special reference to calcitonin gene related peptide (CGRP). J Rheuma-tol 16: 94–97, 1989.
- Gibson Si, Le Vasseur SA, Helme RD: Cerebral event-related responses in-duced by CO2 laser stimulation in subjects suffering from cervico-brachial pain syndrome. Pain 47: 173–182, 1991.
- Fischer AA: Pressure algometry over normal muscles, standard values, va-lidity and reproducibility of pressure threshold. Pain 30: 115–126, 1987.