ZUMSTEIN, J.; HEININGER, U. Decline of pertussis in hospitalised children following the introduction of immunisation in pregnancy – results from a nationwide, prospective surveillance study, 2013–2020. Swiss Medical Weekly, [S. l.], v. 151, n. 4950, p. w30064, 2021. DOI: 10.4414/SMW.2021.w30064. Disponível em: https://smw.ch/index.php/smw/article/view/3115. Acesso em: 13 feb. 2025.