参考文献

TAISHO PHARMACEUTICAL CO., LTD; Kakinuma, Hiroyuki; Kobashi, Yohei; Chonan, Tomomichi; Shiozawa, Fumiyasu; Iwata, Yuki; Oi, Takahiro; Kawabe, Kenichi Patent: US2013/165645 A1, 2013 ; Location in patent: Paragraph 0159; 0160; 0161 ;