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