Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NEWMAN DJ,Serum cystatin C measured by automated immunoassay : a more sensitive marker of changes in GFR than serum creatinine,Kidney Int,,,1995,47,,312-318,https://cir.nii.ac.jp/crid/1570291226421766656,