Advani, AGustafsson, LAhren, CMooi, FRHallander, HO2025-03-202025-03-2020112139690010.1016/j.vaccine.2011.02.070https://rivm.openrepository.com/handle/10029/645027Appearance of Fim3 and ptxP3-Bordetella pertussis strains, in two regions of Sweden with different vaccination programsArticleVaccine 2011; 29(18):3438-422025-03-20