SHARMA, Sachit; SHRESTHA, Gentle Sunder. Double doughnut sign in dengue encephalitis. Journal of Nepalese Society of Critical Care Medicine, [S. l.], v. 1, n. 1, p. 26–27, 2023. DOI: 10.3126/jnsccm.v1i1.52028. Disponível em: https://www.nepjol.info/index.php/jnsccm/article/view/52028. Acesso em: 7 dec. 2025.