C peptide^4th specimen:SCnc:Pt:Ser/Plas:Qn
c peptide^4th specimen:scnc:pt:ser/plas:qn
C peptide^4th specimen:Substance Concentration:To identify measures at a point in time:Serum/Plasma:Quantitative
c peptide^4th specimen:substance concentration:to identify measures at a point in time:serum/plasma:quantitative