Efficacy of short period, low dose oral prednisolone for the prevention of stricture after circumferential endoscopic submucosal dissection (ESD) for esophageal cancer oleh Mikinori Kataoka, Sho Anzai, Tomoaki Shirasaki, Hidekazu Ikemiyagi, Takashi Fujii, Kazuhisa Mabuchi, Shinji Suzuki, Masashi Yoshida, Takashi Kawai, Masaki Kitajima