1. Okano, T., Seki, K. and Masuda, Y.: Digital radiography in dentistry.the Quintessence. 14: 783–796, 1995. (in Japanese).
2. Yoshioka, T., Nagao, K., Kobayashi, C., Suda, H. and Sasaki, T.: Clinical evaluation of direct digital intraoral radiography with radiovisiography.Dental Radiol. 35: 137–149, 1995. (in Japanese).
3. Takizawa, M. and Sone, S.: Practical mini-PACS based on a hybrid video and digital network.Computer Method and Programs in Biomedicine. 36: 119–127, 1991.
4. Takizawa, M., Maruyama, K., Mase, N., Osanai, K., Fukasawa, T. and Kodama, K.: A desk-top image archiving/Processing workstation for oral radiology and color images.Matsumoto Shigaku. 19: 35–39, 1993. (in Japanese).
5. Fujita, H., Shimura, K., Shiraishi, J., Nishihara, S., Higashida, Y. and Yamashita, K.: Fundamentals of ROC analysis and its recent progress.japanese society of radiological technology. 49: 1685–1703, 1993. (in Japanese).