Gamma butyrobetaine/Trimethyllysine:SRto:Pt:Ser/Plas:Qn
gamma butyrobetaine/trimethyllysine:srto:pt:ser/plas:qn
Gamma butyrobetaine/Trimethyllysine:Substance Ratio:To identify measures at a point in time:Serum/Plasma:Quantitative
gamma butyrobetaine/trimethyllysine:substance ratio:to identify measures at a point in time:serum/plasma:quantitative