1. L. L. Hench, J Amer. Ceram. Soc. 74 (1991) 1487.
2. Ciba Foundation Symposium 121;L. L. Hench,1986
3. L. L. Hench, O. H. Andersson and G. P. Latorre, in ?Bioceramics?, Vol. 4, edited by W. Bonfield, G. W. Hastings and K. E. Tanner (Butterworth-Heinemann, London, 1991) p. 154.
4. N. H. Ray, ?Inorganic polymers? (Academic Press, London, 1978).
5. E. A. Di Marzio and J. H. Gibbs, Polym. Sci. 40 (1959) 121.