1) Sweet, R. D.: An acute febrile neutrophilic dermatosis. Br. J. Dermatol, 76: 350-356, 1964.
2) Prystowsky, S. D., Fye, K. H., Goette, K. D. et al.: Acute febrile neutrophilic dematosis associated with Sjögren's syndrome. Arch. Dermatol., 114: 1234-1235, 1978.
3) Harary, A. M.: Sweet's syndrome associated with rheumatoid arthritis. Arch. Intern. Med., 143: 1993-1995, 1983.
4) Benton, E. C., Rutherford, D., Hunter, J. A. A.: Sweet's syndrome and pyoderma gangrenosum associated with ulcerative colitis. Acta. Derm. Venereol., 65: 77-80, 1985.