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