1. 1) Hirano M., Nishizawa K., The Pharmaceutical Monthly, 41, 2519-2526 (1999).
2. 2) Asayama S., Tsubone K., Kawahara S., Ishimoto K., Kamiya A., Bull. Pharm. Soc. Kyusyu, 51, 77-82 (1997).
3. 3) Aoyama T., Sekine Y., Iga T., J. Practical Pharm., 53, 2581-2589 (2002).
4. 4) Yasuno N., Aoyama T., Sekine Y., Nakamura H., Yamada Y., Iga T., The Proceeding of 12th Annual Meeting of Japanese Society of Pharmaceutical Health Care and Sciences, Fukuoka, 2002, p. 180.