Porcine reproductive and respiratory syndrome virus Ab:PrThr:Pt:Ser:Ord:IA
porcine reproductive and respiratory syndrome virus ab:prthr:pt:ser:ord:ia
Porcine reproductive and respiratory syndrome virus Antibody:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal:Immunoassay
porcine reproductive and respiratory syndrome virus antibody:presence or threshold:to identify measures at a point in time:serum:ordinal:immunoassay