1. T. Duerig, A. Pelton, D. Stockel, Mater. Sci. Eng. A 149, 273–275 (1999). doi: 10.1016/S0921-5093(99)00294-4
2. K. Otsuka, C.M. Wayman, Shape Memory Materials (Cambridge University Press, Cambridge, 1998)
3. D.F. Williams, in Toxicology of Implanted Metals. Fundamental Aspects of Biocompatibility. CRC Series in Biocompatibility, vol II (CRC Press, Boca Raton, FL, 1981), p. 45
4. R.E. Baier, R.C. Dutton, J. Biomed. Mater. Res. 3, 191 (1969). doi: 10.1002/jbm.820030115
5. R.W.Y. Poon, K.W.K. Yeung, X.Y. Liu, P.K. Chu, C.Y. Chung, W.W. Lu et al., Biomaterials 26, 2265 (2005). doi: 10.1016/j.biomaterials.2004.07.056