References
- Baggenstoss, A. H., & Rosenberg, E. F.: Visceral lesions associated with chronic infectious/rheumatoid/arthritis, Arch. Path., 35, 503, 1943.
- Bergstrand, A. & Bucht, H.: J. of Path. & Bact. 81, 495, 1961.
- Clausen, E. & Pedersen, J.: Ugeschr. Laeger, 123, 622, 1961.
- Fingerman, D. L. & Andrus, F. C.: Visceral lesions associated with rheumatoid arthritis. Ann. Rheumat. Dis., 3, 168, 1943.
- Larsen, K. & Møller, C. E.: Ugeschr. Laeger, 120, 114, 1958.
- Pollak, V., Pirani, C. L., Steck, I. E. & Kark, R. M.: Arth. Rheum. 5, 1, 1962.
- Short, C. L., Bauer, W. & Reynolds, W. E.: Rheumatoid Arthritis. Cambridge, Mass., Harvard University Press, 1957.
- Spühler, O. & Zollinger, H. U.: Ztschr. Klin. Med. 151, 1, 1953.
- Sørensen, A. W. S.: Acta Rheum. Scand. 7, 138, and 304, 1961.