Streptococcus pneumoniae Danish serotype 7F Ab^2nd specimen/1st specimen:Ratio:Pt:Ser:Qn
streptococcus pneumoniae danish serotype 7f ab^2nd specimen/1st specimen:ratio:pt:ser:qn
Streptococcus pneumoniae Danish serotype 7F Ab [Ratio] in Serum --2nd specimen/1st specimen
streptococcus pneumoniae danish serotype 7f ab [ratio] in serum --2nd specimen/1st specimen