Methylenedioxymethamphetamine/Creatinine:MRto:Pt:Urine:Qn
methylenedioxymethamphetamine/creatinine:mrto:pt:urine:qn
Methylenedioxymethamphetamine/Creatinine (U) [Mass ratio]
methylenedioxymethamphetamine/creatinine (u) [mass ratio]