Streptococcus pneumoniae Danish serotype 9N Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae danish serotype 9n ab.igg^2nd specimen/1st specimen
Streptococcus pneumoniae Danish serotype 9N Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae danish serotype 9n ab.igg^2nd specimen/1st specimen