@article{domingues_meijinhos_guillen_dias_saraceni_pinheiro_paiva_coeli_2024,  title={Validation study of obstetric hospitalization data held on the Brazilian National Health System Hospital Information System for maternal morbidity surveillance: Brazil, 2021-2022},  volume={33},  ISSN={2237-9622},  url={https://doi.org/10.1590/S2237-96222024v33e20231252.en},  DOI={10.1590/S2237-96222024v33e20231252.en},  journal={Epidemiologia e Serviços de Saúde},  publisher={Secretaria de Vigilância em Saúde e Ambiente - Ministério da Saúde do Brasil},  author={Domingues, Rosa Maria Soares Madeira and Meijinhos, Lana dos Santos and Guillen, Luis Carlos Torres and Dias, Marcos Augusto Bastos and Saraceni, Valéria and Pinheiro, Rejane Sobrinho and Paiva, Natália Santana and Coeli, Cláudia Medina},  year={2024},  pages={e20231252} }