Measles virus Ag:PrThr:Pt:Ser/Plas:Ord
measles virus ag:prthr:pt:ser/plas:ord
Measles virus Antigen:Presence or Threshold:To identify measures at a point in time:Serum/Plasma:Ordinal
measles virus antigen:presence or threshold:to identify measures at a point in time:serum/plasma:ordinal