2-Methylbutyrylglycine/Creatinine:MRto:Pt:Urine:Qn
2-methylbutyrylglycine/creatinine:mrto:pt:urine:qn
2-Methylbutyrylglycine/Creatinine [Mass Ratio] in Urine
2-methylbutyrylglycine/creatinine [mass ratio] in urine