Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tanaka Yuichiro and Sakata Yasuhisa and Hara Megumi and Kawakubo Hiroharu and Tsuruoka Nanae and Yamamoto Koji and Itoh Yoichiro and Hidaka Hidenori and Shimoda Ryo and Iwakiri Ryuichi and Fujimoto Kazuma,Risk Factors for Helicobacter pylori Infection and Endoscopic Reflux Esophagitis in Healthy Young Japanese Volunteers,Internal Medicine,0918-2918,The Japanese Society of Internal Medicine,2017,56,22,2979-2983,https://cir.nii.ac.jp/crid/1390282679852547968,https://doi.org/10.2169/internalmedicine.8669-16