Lifestyle factors affecting gastroesophageal reflux disease symptoms: a cross-sectional study of healthy 19864 adults using FSSG scoresNobutake Yamamichi, Kazuhiko Koike, Mitsuhiro Fujishiro et al.|BMC Medicine|2012Cited by 107
Endoscopic mucosal resection with a ligation device or endoscopic submucosal dissection for rectal carcinoid tumors: An analysis of 24 consecutive casesKeiko Niimi, Kazuhiko Koike, Osamu Goto et al.|Digestive Endoscopy|2012Cited by 58
Evaluation of safety of endoscopic biopsy without cessation of antithrombotic agents in JapanSatoshi Ono, Kazuhiko Koike, Mitsuhiro Fujishiro et al.|Journal of Gastroenterology|2012Cited by 57
Factors predictive of inaccurate determination of horizontal extent of intestinal‐type early gastric cancers during endoscopic submucosal dissection: <scp>A</scp> retrospective analysisItsuko Asada‐Hirayama, Kazuhiko Koike, Shinya Kodashima et al.|Digestive Endoscopy|2013Cited by 15
Narrow Band Imaging with Magnification Can Pick Up Esophageal Squamous Cell Carcinoma More Efficiently Than Lugol Chromoendoscopy in Patients after ChemoradiotherapyItsuko Asada‐Hirayama, Kazuhiko Koike, Shinya Kodashima et al.|Diagnostic and therapeutic endoscopy|2013Cited by 9