Streptococcus pneumoniae Danish serotype 1 Ab.IgG^2nd specimen/1st specimen:Ratio:Pt:Ser:Qn
streptococcus pneumoniae danish serotype 1 ab.igg^2nd specimen/1st specimen:ratio:pt:ser:qn
Streptococcus pneumoniae Danish serotype 1 IgG Ab [Ratio] in Serum --2nd specimen/1st specimen
streptococcus pneumoniae danish serotype 1 igg ab [ratio] in serum --2nd specimen/1st specimen