TY - RPRT TI - Decrease of invasive pneumococcal infections in children among 8 children's hospitals in the United States after the introduction of the 7-valent pneumococcal conjugate vaccine. AU - Sheldon L Kaplan AU - Edward O Mason AU - Ellen R Wald AU - Gordon E Schutze AU - John S Bradley AU - Tina Q Tan AU - Jill A Hoffman AU - Laurence B Givner AU - Ram Yogev AU - William J Barson PY - 2004 DO - 10.1542/peds.113.3.443 UR - https://pubmed.ncbi.nlm.nih.gov/14993532/ ID - 14993532 ER -