1. T. NISHIMURA, In Biomedical Application of Polymeric materials, edited by T. TSURUTA, T. HYASHI, K. KATAOKA, K. ISHIHARA, Y. KIMURA (Boca Raton, FL, CRC Press, 1993) P. 191.
2. M. SZYCHER, In High Performance Biomaterials, edited by M. SZYCHER (Technomic Pub Co., Lancaster, 1991) P. 3.
3. T. R. NEU, H. C. VANDER MEI, H. T. BUSSCHER, F. DIJK and J. VERKERKE, Biomaterials 14 (1993) 459.
4. M. T. KHORASANI, H. MIRZADEH and P. G. SAMMES, Radiat. Phys. Chem. 47(6) (1996) 881.
5. B. HALL, et al., Biomaterials 10 (1989) 219.