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