著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) LABENZ J,Curing Helicobacter pylori infection in patients with duodenal ulcer may provoke reflux esophagitis,Gastroenterology,,,1997,112,,1442-1447,https://cir.nii.ac.jp/crid/1572824500519456640,