Echovirus 7 Ab:PrThr:Pt:Ser:Ord
echovirus 7 ab:prthr:pt:ser:ord
Echovirus 7 Antibody:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal
echovirus 7 antibody:presence or threshold:to identify measures at a point in time:serum:ordinal