Streptococcus pneumoniae 19 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 19 ab.igg^2nd specimen/1st specimen
Streptococcus pneumoniae 19 Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae 19 ab.igg^2nd specimen/1st specimen