Urea:SCnc:Pt:Ser/Plas/Bld:Qn
urea:scnc:pt:ser/plas/bld:qn
Urea:Substance Concentration:To identify measures at a point in time:Serum/Plasma/Whole blood:Quantitative
urea:substance concentration:to identify measures at a point in time:serum/plasma/whole blood:quantitative