Streptococcus pneumoniae 17 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 17 ab.igg^2nd specimen/1st specimen
Streptococcus pneumoniae 17 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 17 ab.igg^2nd specimen/1st specimen