Streptococcus pneumoniae 8 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 8 ab.igg^2nd specimen/1st specimen
Streptococcus pneumoniae 8 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 8 ab.igg^2nd specimen/1st specimen