Takayoshi Terashita*, Hiroshi Muto, Toshihito Nakamura, Katsuhiko Ogasawara and Masaji Maezawa
* Corresponding author: Takayoshi Terashita terapist@med.hokudai.ac.jp
BMC Research Notes 2011, 4:177 doi:10.1186/1756-0500-4-177
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