Wagenvoort, GHSanders, EAMVlaminckx, BJElberse, KEde Melker, HEvan der Ende, AKnol, MJ2025-03-252025-03-2520162677842010.1016/j.vaccine.2015.12.066https://rivm.openrepository.com/handle/10029/649595Invasive pneumococcal disease: Clinical outcomes and patient characteristics 2-6 years after introduction of 7-valent pneumococcal conjugate vaccine compared to the pre-vaccine period, the NetherlandsArticleVaccine 2016 ; 34(8):1077-852025-03-25