C peptide^11th specimen post XXX challenge:SCnc:Pt:Ser/Plas:Qn
c peptide^11th specimen post xxx challenge:scnc:pt:ser/plas:qn
C peptide [Moles/volume] in Serum or Plasma --11th specimen post XXX challenge
c peptide [moles/volume] in serum or plasma --11th specimen post xxx challenge