Streptococcus pneumoniae 23 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 23 ab.igg^2nd specimen/1st specimen
Streptococcus pneumoniae 23 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 23 ab.igg^2nd specimen/1st specimen