Socioepidemiological profile of maternal mortality in Piauí in comparison with the Northeast region of Brazil in the last decade associated with the Impact of the COVID-19 pandemic. Acervo Saúde [Internet]. 2024 Aug. 24 [cited 2026 Nov. 3];24(8):e16189. Available from: https://acervomais.com.br/saude/article/view/16189