Streptococcus pneumoniae Danish serotype 6B Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae danish serotype 6b ab.igg^2nd specimen/1st specimen
Streptococcus pneumoniae Danish serotype 6B Ab.IgG^2nd specimen/1st specimen
streptococcus pneumoniae danish serotype 6b ab.igg^2nd specimen/1st specimen