Koichi Ushizawa, Chandana B Herath, Kanako Kaneyama, Satoshi Shiojima, Akira Hirasawa, Toru Takahashi, Kei Imai, Kazuhiko Ochiai, Tomoyuki Tokunaga, Yukio Tsunoda, Gozoh Tsujimoto, Kazuyoshi Hashizume
Reprod Biol Endocrinol. 2004; 2: 77. Published online 2004 Nov 24. doi: 10.1186/1477-7827-2-77