11-Oxo-Androsterone/Creatinine:MRto:24H:Urine:Qn
11-oxo-androsterone/creatinine:mrto:24h:urine:qn
11-Oxo-Androsterone/Creatinine [Mass Ratio] in 24 hour Urine
11-oxo-androsterone/creatinine [mass ratio] in 24 hour urine