COVID-19: How did the pandemic impacted the economic-financial results of the healthcare companies included in B3? . Contextus - Revista Contemporânea de Economia e Gestão, [S. l.], v. 21, p. e81813, 2023. DOI: 10.19094/contextus.2023.81813. Disponível em: https://periodicos.ufc.br/contextus/article/view/81813. Acesso em: 7 feb. 2026.