Streptococcus pneumoniae Danish serotype 3 Ab^2nd specimen/1st specimen:Ratio:Pt:Ser:Qn
streptococcus pneumoniae danish serotype 3 ab^2nd specimen/1st specimen:ratio:pt:ser:qn
S pneum Da 3 Ab 2:1 Ser-Rto
s pneum da 3 ab 2:1 ser-rto