References
- Ansell, B.: Proc. International Rheum. Congress Rom, 1961.
- Le Boudoir, J.: Rhumatologie (Aix-les-Bains), 60, 1957.
- Lawrence, J. S. & Sharp, J.: Proceedings ISRA-symposiom Amsterdam, 1963. Radiological aspects of rheumatoid arthritis p. 239. Amsterdam 1964
- Lawrence, J. S. & al.: Ann. rheum. Dis., 23, 205, 1964.
- Martell, W. & Page, J. W.: Arthritis and Rheumatism, 546, 1960.
- Van der Meer, P.: N. T. v. G. (1960): 104. 2317; N. T. v. G., 93,50,1949. Médecine et Hygiène, 15,601,1957.
- Potter, Th. & al.: Ann. rheum. Dis., 13, 364, 1954.
- Sairanen, E.: Acta Rheum. Scand. Supp. II, 1958.
- Sharp, J., Purser, D. W. & Lawrence, J. S.: Ann. rheum. Dis., 17, 303, 1958.
- Sharp, J., & Purser, D. W.: Ann. rheum. Dis., 16, 174, 1957.
- Sharp, J., & Purser, D. W.: Ann. rheum. Dis., 20, 47, 1961.
- Ziff, M., Contreras, V. & McEwen, C.: Ann. rheum. Dis., 15, 40, 1956.