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) JOHNSON WJ,Effect of urea loading in patients with far-advanced renal failure,Mayo Clin Proc,,,1972,47,,21-29,https://cir.nii.ac.jp/crid/1572543024143221248,