REFERENCES
- Brendstrup P, Jespersen K, Asboe-Hansen G: Morphological arid chemical connective tissue changes in fibrositic muscles. Ann Rheum Dis 16: 438 #, 1957.
- Awad EA: Interstitial myofibrositis: hypothesis of a mechanism. Arch Phys Med Rehabil 54:449–453, 1973.
- Fassbender HG. Pathology of Rheumatic Disease. New York: Springer-Verlag, 1975, pp. 304–307.
- Henriksson KG, Bengtsson A, Larsson J: Muscle biopsy findings of pos-sible diagnostic importance in primary fibromyalgia. Lancet ii: 1395, 1981
- Bartels EM, Danneskiold-Samsoe B: Histologic abnormalities in muscle from patients with certain types of fibrositis. Lancet i: 755–757, 1986.
- Bengtsson A, Henriksson KG, Larsson J. Muscle biopsy in primary fibro-myalgia. Light microscopical and histochemical findings. Scand J Rheumatol 15: 1–6, 1986.
- Bengtsson A, Henriksson KG, Larsson J: Reduced high-energy phosphate levels in the painful muscles of patients with primary fibromyalgia. Arthritis Rheum 29: 817–821, 1986.
- Lund N, Bengtsson A, Thorborg P. Muscle tissue oxygen pressure in pri-mary fibromyalgia. Scand J Rheumatol 15: 165–173, 1986.
- Meyer RA, Kuslunerick MJ, Brown TR. Application of 31P-NMR spectros-copy to the study of striated muscle metabolism. Am J Physiol 242: Cl-Cu, 1982.
- Chance B, Clarke BJ, Nioka S, Subramernian H, Mans JM, Argov Z, Bode H: Phosphorus nuclear magnetic resonance spectroscopy in vivo. Circulation 72: 103–110 (Supplement IV), 1985.
- Radda GL, Kushrnerick MJ, Taylor DJ, Arnold DL: Investigation of hu-man mitochondria' myopathies by phosphorous magnetic resonance spectrosco-py. Biochem Soc Trans 13: 654–660, 1985.
- Sapega AA, Sokolow DP, Graham TJ, Chance B: Phosphorous nuclear magnetic resonance: a non-invasive technique for the study of muscle bioenerget-ics during exercise. Med Sci Sport Exercise 19: 410–420, 1987.
- Kushmerick MJ: Muscle energy metabolism, nuclear magnetic resonance spectroscopy and their potential in the study of fibromyalgia. J Rheumatol 16: 40–46, 1989.
- Mathur AK, Gatter RA, Bank WJ, Schumacher HR: Abnormal 31P-NMR spectroscopy of painful muscles of patients with fibromyalgia. Arthritis Rheum 31: 523, 1988 (Abstract).
- Bach-Anderson R, Jacobsen S, Danneskiold-SarnsOe B, Bartels SE, Jensen KE, Thomsen C, Henrikson KG, Arliensborg P: New diagnostic tools in primary fibromyalgia: findings from the Copenhagen research group on fibromyalgia. Adv Pain Res Ther 17: 270–276, 1990.
- DeBlécourt AC, Wolf RF, van Rijseijk MN, Karmnan RL, Knipping AA, Mooyaart EL. In vivo 31P magnetic resonance spectroscopy (MRS) of tender points in patients with primary fibromyalgia syndrome. Rheumatol hit 11: 51–54, 1991.