参考文献

Shionogi and Co., Ltd.; HATA, Kayoko; MASUDA, Manami; NAKAI, Hiromi; TANIYAMA, Daisuke; TOBINAGA, Hiroyuki; HATO, Yoshio; FUJIU, Motohiro Patent:   EP2752410 A1, 2014 ; Location in patent: Paragraph 0412-0413 ;