17-Hydroxycorticosteroids/Creatinine:MRto:24H:Urine:Qn
17-hydroxycorticosteroids/creatinine:mrto:24h:urine:qn
17-Hydroxycorticosteroids/Creatinine (24H U) [Mass ratio]
17-hydroxycorticosteroids/creatinine (24h u) [mass ratio]