2-Amino-4-hydroxypteridine/Creatinine:SRto:Pt:Ser/Plas:Qn
2-amino-4-hydroxypteridine/creatinine:srto:pt:ser/plas:qn
2-Amino-4-hydroxypteridine/Creatinine:Substance Ratio:To identify measures at a point in time:Serum/Plasma:Quantitative
2-amino-4-hydroxypteridine/creatinine:substance ratio:to identify measures at a point in time:serum/plasma:quantitative