Streptococcus pneumoniae Danish serotype 23F Ab.IgG^2nd specimen/1st specimen:Ratio:Pt:Ser:Qn
streptococcus pneumoniae danish serotype 23f ab.igg^2nd specimen/1st specimen:ratio:pt:ser:qn
S pneum Da 23F IgG 2:1 Ser-Rto
s pneum da 23f igg 2:1 ser-rto