@article{cabar_francisco_2021,  title={Reflections on the need for a vaccine strategy against COVID-19 for pregnant and postpartum women},  volume={76},  ISSN={1807-5932},  url={https://doi.org/10.6061/clinics/2021/e3471},  DOI={10.6061/clinics/2021/e3471},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Cabar, Fábio Roberto and Francisco, Rossana Pulcineli Vieira},  year={2021},  pages={e3471} }