1. Barnett, C. H., Cochrane, W. and Palfrey, A. J. (1963). Age changes in articular cartilage of rabbits. Ann. Rheum. Dis., 22, 389
2. Ghadially, F. N., Meachim, G. and Collins, D. H. (1965). Extracellular lipid in the matrix of human articular cartilage. Ann. Rheum. Dis., 24, 136
3. Ghadially, F. N. and Roy, S. (1969). Ulstrastructure of Synovial Joints in Health and Disease. ( London: Butterworths )
4. Meachim, G. (1969). Age and osteoarthritic changes in articular cartilage. In: Ultra-structure of Synovial Joints in Health and Disease. ( F. N. Ghadially and S. Roy, eds.) p. 61. ( London: Butterworths )
5. Stockwell, R. A. (1965). Lipid in the matrix of ageing articular cartilage. Nature (London), 207, 427