1. 1. PN Sawyer, M Page, B Rudewald, L Baselius, C McCool, E Lester, B Stanzwski, S Srinivasan, and N. Ramasamy, Further study of NITINOL wire as contractile artificial muscle for an artificial heart. Cardiovasc. Diseases Bull Tex. Heart Inst 3;65:1976.
2. 2. K Hayashi, J Seki, and T. Nakamura, Application of shape memory alloys to the actuator of the artificial heart. Iyodenshi To Seitai Kogaku23 (1 ):1985 ;1 -6 (in Japanese).
3. 3. S Nitta, A Takahasi, Y Katahira, M Tanaka, T Okamoto, K Kagawa, T Hongo, T Watanabe, T Horiuchi, A Tanji, K Yamauchi, and T. Yabuki, Application of shape memory alloy for an artificial heart driving system. MBE 83 -49;45-51 : 1983 (in Japanese).
4. Development of an Implantable Artificial Anal Sphincter by the Use of the Shape Memory Alloy