Streptococcus pneumoniae 1 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 1 ab.igg^2nd specimen/1st specimen
Streptococcus pneumoniae 1 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 1 ab.igg^2nd specimen/1st specimen