Journal: Current Drug Delivery Volume: 3 Issue: 4 Year: 2006 Page: 351-358 Author(s): Masayuki Ishihara, Masanori Fujita, Kiyohaya Obara, Hidemi Hattori, Shingo Nakamura, Masaki Nambu, Tomoharu Kiyosawa, Yasuhiro Kanatani, Bonpei Takase, Makoto Kikuchi, Tadaaki Maehara