Streptococcus pneumoniae Ag:PrThr:Pt:Ser:Ord
streptococcus pneumoniae ag:prthr:pt:ser:ord
Streptococcus pneumoniae Antigen:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal
streptococcus pneumoniae antigen:presence or threshold:to identify measures at a point in time:serum:ordinal