1. Literature from Shiseido Company.
2. N. E. Larsen, E. A. Leshchiner, E. G. Parent and E. A. Balazs, Proc. Poly. Mater. Sci. Eng., : 63, 341–3 (1990).
3. E. A. Balazs, Proc. Poly. Mater. Sci. Eng., 63, 689–91 (1990).
4. S. Hirano, Y. Noishiki, J. Kinugawa, H. Higashijima & T. Hayashi in:“Advances in Biomedical Polymers
” C. G. Gebelein, Ed., Plenum Press, New York, 1985, pp. 285–297.
5. A. Kato & T. Kondo in:“Advances in Biomedical Polymers
” C. G. Gebelein, Ed., Plenum Press, New York, 1985, pp. 299–310.