Respiratory syncytial virus Ab^2nd specimen:PrThr:Pt:Ser:Ord
respiratory syncytial virus ab^2nd specimen:prthr:pt:ser:ord
Respiratory syncytial virus Antibody^2nd specimen:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal
respiratory syncytial virus antibody^2nd specimen:presence or threshold:to identify measures at a point in time:serum:ordinal