Agenesis of the P1 segment of the posterior cerebral artery: Reporte de caso. Actas Médicas (Ecuador), [S. l.], v. 33, n. S1, p. 6, 2023. DOI: 10.61284/155. Disponível em: https://actasmedicas.ec/index.php/am/article/view/155.. Acesso em: 12 jun. 2026.