1. Davies, D. V. (ed.) (1967). Gray’s Anatomy Descriptive and Applied, 34th Edn., p. 487
2. Holt, P. J. L. (1975). Joint cartilage: Physiology and changes in arthritis. In Holt, P. J. L. (ed.) Current Topics in Connective Tissue Diseases, pp. 24–47. (Edinburgh: Churchill Livingstone)
3. Malemud, C. J. and Moskowitz, R. W. (1981). Physiology of articular cartilage. Clin. Rheum. Dis., 7, 29–55
4. Ghadially, F. N. (1983). Fine Structure of Synovial Joints. (London: Butterworth & Co.)
5. Hogg, N., Palmer, D. G. and Revell, P. A. (1985). Mononuclear phagocytes of normal and rheumatoid synovial membrane identified by monoclonal antibodies. Immunology, 56, 673–681