Analysis of severe COVID-19 in adolescents with Cystic Fibrosis: a case series report study at a brazilian center from 2020 to 2022. Acervo Saúde [Internet]. 2024 Oct. 14 [cited 2026 Nov. 3];24(10):e16036. Available from: https://acervomais.com.br/saude/article/view/16036