O KADI, Hussein. Yemen is free of COVID-19. International Journal of Clinical Virology, [S. l.], v. 4, n. 1, p. 032–033, 2020. DOI: 10.29328/journal.ijcv.1001012. Disponível em: https://www.clinvirologyjournal.com/index.php/ijcv/article/view/ijcv-aid1012. Acesso em: 3 dec. 2025.