1. R. Earnshaw, British Dent. J. 1956, Vol. 101, pp.67–75
2. A.J. Saldivar-Garcia and H.F. Lopez: in Medical Device Materials, S. Shrivastava, ed., ASM international, Materials Park, OH, 2003, pp. 329–33
3. Materials and Coatings for Medical Devices: Cardiovascular, ASM international, Materials Park, OH, 2009
4. P. Poncin, C. Millet, J. Chevy, and J.L. Proft: in Medical Device Materials II, M. Helmus and D. Medlin, eds., ASM International, Materials Park, OH, 2004, pp. 279–83
5. P. Poncin, B. Gruez, P. Missillier, P. Comte-Gaz, and J.L. Proft: in Medical Device Materials III, R. Venugopalan and M. Wu, eds., ASM International, Materials Park, OH, 2005, pp. 85–90