Masaki Ohkubo, Takafumi Hamaoka*, Masatugu Niwayama, Norio Murase, Takuya Osada, Ryotaro Kime, Yuko Kurosawa, Ayumi Sakamoto and Toshihito Katsumura
* Corresponding author: Takafumi Hamaoka kyp02504@nifty.com
Dynamic Medicine 2009, 8:2 doi:10.1186/1476-5918-8-2
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