1. Smythe HA, Moldofsky H (1977) Two contributions to understanding of the “fibrositis”syndrome. Bull Rheum Dis 28: 928–931
2. Smythe HA (1972) The fibrositis syndrome (non-articular rheumatism). In: Hollander JL (ed) Arthritis and allied conditions. Lea and Febiger, Philadelphia, p 965–968
3. Yunus MB, Masi AT, Calabro JJ, Miller KA, Feigenbaum SL (1981) Primary fibromyalgia (fibrositis): clinical study of 50 patients with matched normal controls. Semin Arthritis Rheum 11: 151–171
4. Wolfe F, Smythe HA, Yunus MB et al. (1990) The American College of Rheumatology 1990 Criteria for the Classification of Fibromyalgia: Report of the Multicenter Criteria Committee. Arthritis Rheum 33: 160–172
5. Payne TC, Leavitt DC, Garron DC et al. (1982) Fibrositis and psychologic disturbance. Arthritis Rheum 25: 213–217