Methamphetamine+Methylenedioxymethamphetamine:PrThr:Pt:Ser/Plas/Bld:Ord:Screen
methamphetamine+methylenedioxymethamphetamine:prthr:pt:ser/plas/bld:ord:screen
Methamphetamine+Methylenedioxymethamphetamine:Presence or Threshold:To identify measures at a point in time:Serum/Plasma/Whole blood:Ordinal:Screen
methamphetamine+methylenedioxymethamphetamine:presence or threshold:to identify measures at a point in time:serum/plasma/whole blood:ordinal:screen