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