A variant subtype Ab:PrThr:Pt:Ser/Plas:Ord
a variant subtype ab:prthr:pt:ser/plas:ord
A variant subtype Antibody:Presence or Threshold:To identify measures at a point in time:Serum/Plasma:Ordinal
a variant subtype antibody:presence or threshold:to identify measures at a point in time:serum/plasma:ordinal