Effect of eradication of Helicobacter pylori on incidence of metachronous gastric carcinoma after endoscopic resection of early gastric cancer: an open-label, randomised controlled trial

Yamagata Prefectural Central Hospital, Hokkaido University Hospital, Aichi Medical University, Matsue Red Cross Hospital, Saitama International Medical Center, Kure Kyosai Hospital, Kyoto City Hospital, Ibaraki Prefectural Central Hospital, Jichi Medical University, Hokkaido University