Beta-ureidoisobutyrate/Creatinine:SRto:Pt:Urine:Qn
beta-ureidoisobutyrate/creatinine:srto:pt:urine:qn
Beta-ureidoisobutyrate/Creatinine (U) [Molar ratio]
beta-ureidoisobutyrate/creatinine (u) [molar ratio]