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) COUTO CG,Gastrointestinal lymphoma in 20 dogs. A retrospective study,J Vet Intern Med,,,1989,3,,73-78,https://cir.nii.ac.jp/crid/1573105974105835136,