Urea nitrogen^post dialysis:MCnc:Pt:BldP:Qn
urea nitrogen^post dialysis:mcnc:pt:bldp:qn
Urea nitrogen^post dialysis:Mass Concentration:To identify measures at a point in time:Blood - peripheral:Quantitative
urea nitrogen^post dialysis:mass concentration:to identify measures at a point in time:blood - peripheral:quantitative