little e Ag^during infancy:PrThr:Pt:RBC:Ord
little e ag^during infancy:prthr:pt:rbc:ord
e Antigen^during infancy:Presence or Threshold:To identify measures at a point in time:Erythrocytes:Ordinal
e antigen^during infancy:presence or threshold:to identify measures at a point in time:erythrocytes:ordinal