Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
BOMBARDIER C,Comparison of upper gastrointestinal toxicity of rofecoxib and naproxen in patients with rheumatoid arthritis,N Engl J Med,,,1999,301,,669-672,https://cir.nii.ac.jp/crid/1570572700926516352,