We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEffectiveness of meningococcal serogroup C conjugate vaccine 4 years after introduction.AuthorsTrotter CL; Andrews NJ; Kaczmarski EB; Miller E; Ramsay MEPublicationLancet, 2004, Vol 364, Issue 9431, p365ISSN0140-6736Publication typearticleDOI10.1016/s0140-6736(04)16725-1