Dextroamphetamine/Levoamphetamine:MRto:Pt:Ser/Plas:Qn
dextroamphetamine/levoamphetamine:mrto:pt:ser/plas:qn
Dextroamphetamine/Levoamphetamine:Mass Ratio:To identify measures at a point in time:Serum/Plasma:Quantitative
dextroamphetamine/levoamphetamine:mass ratio:to identify measures at a point in time:serum/plasma:quantitative