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) NORRIS AM,Canine bladder and urethral tumors : a retrospective study of 115 cases (1980-1985),J Vet Interm Med,,,1992,6,,145-153,https://cir.nii.ac.jp/crid/1570572700845801728,