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