Gamma butyrobetaine/Trimethyllysine:SRto:Pt:Urine:Qn
gamma butyrobetaine/trimethyllysine:srto:pt:urine:qn
Gamma butyrobetaine/Trimethyllysine [Molar ratio] in Urine
gamma butyrobetaine/trimethyllysine [molar ratio] in urine