Transplacental transfer and age-related levels of serum IgG antibodies to the capsular polysaccharides of Streptococcus pneumoniae types 14 and 19 in Korea.

by Yoon, J. K., Lee, H. H., Choi, B. M., Kim, K. B., Park, H. Y., Lim, J. Y., Choung, J. T., Tockgo, Y. C.
Published 2001