7Kuenzle C C,et al.Separation and quantitative estimation of four bilirubin fractions from serum and of three bilirubin fractions from bile[J].J Lab Clin Med,1966;67:282～293.
8Lauff J J,et al.Isolation and preliminary characterzation of a fraction of bilirubin in serum that is firmly bound to protein[J].Clin Chem,1982;28:629～637.
9Wu T-W.The ektachem clinical chemistry slide for simultancous determination of unconjugated and sugar-conjugated bilirubin[J].Clin Chem,1984;30:1304～1309.
10Breet E M,et al.Delta bilirubin in serum of pediatric patients:Correlations with age and disease[J].Clin Chem.1984;30:1561～1564.
