@article{machado_passos_2019,  title={SEVERE PERTUSSIS IN CHILDHOOD: UPDATE AND CONTROVERSY - SYSTEMATIC REVIEW},  volume={37},  ISSN={0103-0582},  url={https://doi.org/10.1590/1984-0462/;2019;37;3;00006},  DOI={10.1590/1984-0462/;2019;37;3;00006},  number={3},  journal={Revista Paulista de Pediatria},  publisher={Sociedade de Pediatria de São Paulo},  author={Machado, Márcia Borges and Passos, Saulo Duarte},  year={2019},  month={Jul},  pages={351–362} }