Streptococcus pneumoniae Danish serotype 19F Ab.IgG^2nd specimen/1st specimen:Ratio:Pt:Ser:Qn
streptococcus pneumoniae danish serotype 19f ab.igg^2nd specimen/1st specimen:ratio:pt:ser:qn
S pn Da sero 19F IgG 2:1 Ser-Rto
s pn da sero 19f igg 2:1 ser-rto