Amphetamines:PrThr:Pt:Urine:Ord:Confirm>200 ng/mL
amphetamines:prthr:pt:urine:ord:confirm>200 ng/ml
Amphetamines:Presence or Threshold:To identify measures at a point in time:Urine:Ordinal:Confirm>200 ng/mL
amphetamines:presence or threshold:to identify measures at a point in time:urine:ordinal:confirm>200 ng/ml