Surgical treatment of Crohn's disease while distinguishing between perforating and non-perforating types Higashi D; Futami K; Kojima D; Uwatoko S; Shibata R; Miyasaka Y; Ohmiya T; Sakamoto R; Kaida H; Koreeda N; Morishita M; Nagata A; Yoshida Y; Yamashita S; Watanabe M; Takatsu N; Hisabe T; Yao K; Ueki T; Nimura S Med Bull Fukuoka Univ, Mar. 2021