Streptococcus pneumoniae 22 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 22 ab.igg^2nd specimen/1st specimen
Streptococcus pneumoniae 22 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 22 ab.igg^2nd specimen/1st specimen