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Article types	Original article
Language	English
Refereed paper	Refereed
Title	Changes in　the　rate　of　and　trends　in　colectomy　for　ulcerative　colitis　during　the　era　of　biologics　and　calcineurin inhibitors based on a Japanese nationwide cohort study.
Journal	Formal name：Surgery Today
Volume, Number, Page	49(12),pp.1066-1073
Papers・Author	Uchino Motoi,　Ikeuchi　Hiroki,　Hata　Keisuke,　Okada　Satoshi,　Ishihara　Soichiro,　Morimoto　Koji,　Sahara　Rikisaburo,　Watanabe　Kazuhiro,　Fukushima　Kouhei,　Takahashi　Kenichi,　Kimura　Hideaki,　Hirata　Keiji,　Mizushima　Tsunekazu, Araki　Toshimitsu,　Kusunoki　Masato,　Nezu　Riichiro,　Nakao　Sayumi,　Itabashi　Michio,　Hirata　Akira,　Ozawa Heita,　Ishida　Takashi,　Okabayashi　Koji,　Yamamoto　Takayuki,　Noake　Toshihiro,　Arakaki　Junya,　Watadani　Yusuke,　Ohge　Hiroki,　Futatsuki　Ryo,　Koganei　Kazutaka,　Sugita　Akira,　Higashi　Daijiro,　Futami　Kitaro
Publication date	2019/12