Streptococcus pneumoniae Ab.IgG^1st specimen/2nd specimen:Ratio:Pt:Ser:Qn:IA
streptococcus pneumoniae ab.igg^1st specimen/2nd specimen:ratio:pt:ser:qn:ia
Streptococcus pneumoniae IgG Ab [Ratio] in Serum by Immunoassay --1st specimen/2nd specimen
streptococcus pneumoniae igg ab [ratio] in serum by immunoassay --1st specimen/2nd specimen