1. Bergveld, P. (1972): ‘Development operation, and application of the ion-sensitive field-effect transistor as a tool for electro-physiology,’IEEE Trans.,BME-19, pp. 342–351
2. Bindra, D. S., Zhang, Y., Wilson, G. S., Sternberg, R., Thevenot, D. R., Moatti, D., andReach, G. (1991): ‘Design and in vitro studies of a needle-type glucose sensor for subcutaneous monitoring,’Anal. Chem.,63, pp. 1692–1696
3. Caras, S., andJanata, J. (1980): ‘Field effect transistors sensitive to penicillin,’ibid., pp. 1935–1937
4. Esashi, M., andMatsuo, T. (1978): ‘Integrated micro multi ion sensor using field effect of semiconductor,’IEEE Trans.,BME-25, pp. 182–192
5. Fischer, U., Hidde, A., Herrmann, S., Woedtke, T. V., Robrin, K., andAbel, P. (1989): ‘Oxygen tension at the subcutaneous implantation site of glucose sensors,’Biomed. Biochem. Acta.,48, pp. 965–971