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) SIGRIST MK,Progressive vascular calcification over 2 years is associated with arterial stiffening and increased mortality in patients with stages 4 and 5 chronic kidney disease,Clin J Am Soc Nephrol,,,2007,2,,1241-1248,https://cir.nii.ac.jp/crid/1570572699340345472,