2-Oxoisovalerate/Creatinine:SRto:24H:Urine:Qn
2-oxoisovalerate/creatinine:srto:24h:urine:qn
2-Oxoisovalerate/Creatinine [Molar ratio] in 24 hour Urine
2-oxoisovalerate/creatinine [molar ratio] in 24 hour urine