16-Ketoandrostenediol/Creatinine:SRto:Pt:Urine:Qn
16-ketoandrostenediol/creatinine:srto:pt:urine:qn
16-Ketoandrostenediol/Creatinine [Molar ratio] in Urine
16-ketoandrostenediol/creatinine [molar ratio] in urine