Amitriptyline:PrThr:Pt:Ser/Plas:Ord
amitriptyline:prthr:pt:ser/plas:ord
Amitriptyline:Presence or Threshold:To identify measures at a point in time:Serum/Plasma:Ordinal
amitriptyline:presence or threshold:to identify measures at a point in time:serum/plasma:ordinal