Creatinine^1H post XXX challenge:MCnc:Pt:Ser/Plas:Qn
creatinine^1h post xxx challenge:mcnc:pt:ser/plas:qn
Creatinine^1 hour post XXX challenge:Mass Concentration:To identify measures at a point in time:Serum/Plasma:Quantitative
creatinine^1 hour post xxx challenge:mass concentration:to identify measures at a point in time:serum/plasma:quantitative