Creatinine^45M pre XXX challenge:MCnc:Pt:Ser/Plas:Qn
creatinine^45m pre xxx challenge:mcnc:pt:ser/plas:qn
Creatinine [Mass/volume] in Serum or Plasma --45 minutes pre XXX challenge
creatinine [mass/volume] in serum or plasma --45 minutes pre xxx challenge