Evaluation of serotype-specific immunity to Streptococcus pneumoniae in pregnant women and cord blood of infants: impact of race and ethnicity.
Choudhury SA, Ladson G, Kabir MS. Evaluation of serotype-specific immunity to Streptococcus pneumoniae in pregnant women and cord blood of infants: impact of race and ethnicity. J Natl Med Assoc. 2012 May-Jun; 104(5-6):251-7.