1. K.DeGroot, R.Geesink, C. P. A.Klein and P.Serekian, J. Biomed. Mater. Res. 21 (1988) 1375.
2. J. E.Lemons, Clin. Orthop. 235 (1988) 220.
3. W. R. LACEFIELD, in ?Bioceramics: material characteristics versus in vivo behavior?, edited by P. Ducheyne and J. E. Lemons, Ann. N. Y. Acad. Sci. 523 (1988) 72.
4. E.Munting, M.Verhelpen, F.Li and A.Vincent, in ?CRC handbook of bioactive ceramics?, edited by T.Yamamuro, L. L.Hench and J.Wilson (CRC Press, Boca Raton, MA, 1990) pp. 143?148.
5. R. G. T.Geesink, K.DeGroot and P. A. K. T.Christel, Clin. Orthop. 225 (1987) 147.