Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) FRIEDWALD WT,Estimation of the concentration of low density lipoprotein cholesterol in plasma without use of the preparative ultracentrifuge,Clin. Chem,,,1972,18,,499-502,https://cir.nii.ac.jp/crid/1570009749919006720,