Streptococcus pneumoniae Danish serotype 6B Ab.IgG^2nd specimen/1st specimen:Ratio:Pt:Ser:Qn
streptococcus pneumoniae danish serotype 6b ab.igg^2nd specimen/1st specimen:ratio:pt:ser:qn
Streptococcus pneumoniae Danish serotype 6B IgG Ab [Ratio] in Serum --2nd specimen/1st specimen
streptococcus pneumoniae danish serotype 6b igg ab [ratio] in serum --2nd specimen/1st specimen