COVID-19: How did the pandemic impacted the economic-financial results of the healthcare companies included in B3? . Contextus – Contemporary Journal of Economics and Management , [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: 25 apr. 2026.