Amphetamine:PrThr:Pt:Body fld:Ord:Screen
amphetamine:prthr:pt:body fld:ord:screen
Amphetamine:Presence or Threshold:To identify measures at a point in time:Body fluid, unsp:Ordinal:Screen
amphetamine:presence or threshold:to identify measures at a point in time:body fluid, unsp:ordinal:screen