Streptococcus pneumoniae Danish serotype 18C Ab.IgG^2nd specimen/1st specimen:Ratio:Pt:Ser:Qn
streptococcus pneumoniae danish serotype 18c ab.igg^2nd specimen/1st specimen:ratio:pt:ser:qn
Streptococcus pneumoniae Danish serotype 18C Ab.IgG^2nd specimen/1st specimen:Ratio:Pt:Ser:Qn
streptococcus pneumoniae danish serotype 18c ab.igg^2nd specimen/1st specimen:ratio:pt:ser:qn