Allo-tetrahydrocortisol/Creatinine:SRto:Pt:Urine:Qn
allo-tetrahydrocortisol/creatinine:srto:pt:urine:qn
Allo-tetrahydrocortisol/Creatinine [Molar ratio] in Urine
allo-tetrahydrocortisol/creatinine [molar ratio] in urine