Creatinine^1.5H pre XXX challenge:MCnc:Pt:Ser/Plas:Qn
creatinine^1.5h pre xxx challenge:mcnc:pt:ser/plas:qn
Creatinine [Mass/volume] in Serum or Plasma --1.5 hours pre XXX challenge
creatinine [mass/volume] in serum or plasma --1.5 hours pre xxx challenge