Streptococcus pneumoniae Danish serotype 12F Ab^2nd specimen/1st specimen:Ratio:Pt:Ser:Qn
streptococcus pneumoniae danish serotype 12f ab^2nd specimen/1st specimen:ratio:pt:ser:qn
S pneum Da 12F Ab 2:1 Ser-Rto
s pneum da 12f ab 2:1 ser-rto