the quantitative determination of sulphur amino acids in plasma revealed that the plasma levels of cysteic acid , homocysteic acid , taurine , cystine and cystathionine as well as n-monoacetylcystine in uraemic patients were markedly higher than in normal subjects ( p less than 0.001 for each ) .
C0002527
sulphur amino acids
C0010652
cysteic acid