We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePneumonia hospitalizations among young children before and after introduction of pneumococcal conjugate vaccine--United States, 1997-2006.AuthorsCenters for Disease Control and Prevention (CDC)PublicationMMWR. Morbidity and mortality weekly report, 2009, Vol 58, Issue 1, p1ISSN1545-861xPublication typearticle