Proinsulin^2nd specimen post XXX challenge:SCnc:Pt:Ser/Plas:Qn
proinsulin^2nd specimen post xxx challenge:scnc:pt:ser/plas:qn
Proinsulin [Moles/volume] in Serum or Plasma --2nd specimen post XXX challenge
proinsulin [moles/volume] in serum or plasma --2nd specimen post xxx challenge