PRASANNA, L. C.; ANDRADE, L. S.; RAVICHANDRA, P.; HOSAPATNA, M. An insight into the circle of Willis, its variation in the formation and component vessels in the adult human cadavers. Ethiopian Medical Journal, [S. l.], v. 58, n. 02, 2020. Disponível em: https://mail.emjema.org/index.php/EMJ/article/view/1205. Acesso em: 20 apr. 2026.