Rodenburg, GDde Greeff, SCJansen, AGCSde Melker, HESchouls, LMHak, ESpanjaard, LSanders, EAMvan der Ende, A2025-03-202025-03-2020102040937210.3201/eid1605.091223https://rivm.openrepository.com/handle/10029/644323Effects of pneumococcal conjugate vaccine 2 years after its introduction, the NetherlandsArticleEmerg Infect Dis 2010; 16(5):816-232025-03-20