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3. J. A. DISEGI, R. L. KENNEDY and R. PILLIAR, in “Cobalt-Base Alloys for Biomedical Appliations,” edited by J. A. Disegi, R. L. Kennedy and R. Pilliar (American Society for Testing and Materials, West Conshohocken, PA, 1999).
4. H.-G. WILLERT, H. BERTRAM and G. H. BUCHHORN, Clin. Orthop. Relat. Res. 258 (1990) 95.
5. H. C. AMSTUTZ, P. CAMPBELL, N. KOSSOVSKY and I. C. CLARKE, ibid. 276 (1992) 7.