3,4-Hydroxymandelate/Creatinine:SRto:Pt:Urine:Qn
3,4-hydroxymandelate/creatinine:srto:pt:urine:qn
3,4-Hydroxymandelate/Creatinine [Molar ratio] in Urine
3,4-hydroxymandelate/creatinine [molar ratio] in urine