R-beta aminoisobutyrate:SCnc:Pt:Ser/Plas:Qn
r-beta aminoisobutyrate:scnc:pt:ser/plas:qn
R-beta aminoisobutyrate:Substance Concentration:To identify measures at a point in time:Serum/Plasma:Quantitative
r-beta aminoisobutyrate:substance concentration:to identify measures at a point in time:serum/plasma:quantitative