Methadone+Metabolite:MCnc:Pt:Ser/Plas:Qn
methadone+metabolite:mcnc:pt:ser/plas:qn
Methadone+Metabolite:Mass Concentration:To identify measures at a point in time:Serum/Plasma:Quantitative
methadone+metabolite:mass concentration:to identify measures at a point in time:serum/plasma:quantitative