WATTANASIRIPORN, Wittawat; PHAISITKRIENGKRAI, Atthaphon; ARAYANGKOON, Chantisa. South African flag sign facilitating early recognition of acute first diagonal occlusion in a complex non-left main coronary bifurcation lesion: A case report. Narra J, [S. l.], v. 6, n. 3, p. e3147, 2026. DOI: 10.52225/narra.v6i3.3147. Disponível em: https://narraj.org/main/article/view/3147. Acesso em: 3 oct. 2026.