Creatinine^7D post XXX challenge:MCnc:Pt:Ser/Plas:Qn
creatinine^7d post xxx challenge:mcnc:pt:ser/plas:qn
Creatinine [Mass/volume] in Serum or Plasma --7 days post XXX challenge
creatinine [mass/volume] in serum or plasma --7 days post xxx challenge