Amitriptyline+Nortriptyline:PrThr:Pt:XXX:Ord
amitriptyline+nortriptyline:prthr:pt:xxx:ord
Amitriptyline+Nortriptyline:Presence or Threshold:To identify measures at a point in time:Not specified:Ordinal
amitriptyline+nortriptyline:presence or threshold:to identify measures at a point in time:not specified:ordinal