LIMA, Cecília Almeida Rodrigues; CALAZANS, Janaina de Holanda Costa; DANTAS, Ivo Henrique. (DIS)INFORMATION IN TWITTER ECHO CHAMBERS: disputes over chloroquine during the Covid-19 pandemic. Observatory Journal, [S. l.], v. 6, n. 6, p. a5pt, 2020. DOI: 10.20873/uft.2447-4266.2020v6n6a5pt. Disponível em: https://sistemas.uft.edu.br/periodicos/index.php/observatorio/article/view/9966. Acesso em: 15 nov. 2026.