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) LEONTIADIS GI,Systematic review and meta-analysis of proton pump inhibitor therapy in peptic ulcer bleeding,BMJ,,,2005,330,,568,https://cir.nii.ac.jp/crid/1573950399058488064,