Use of the sternocleidomastoid muscle collar flap in the surgical treatment of the pharyngostoma. Case report and literature review. Anales of the Faculty of Medical Sciences, [S. l.], v. 50, n. 3, p. 83–94, 2026. DOI: 10.18004/anales/2017.050(03)83-094. Disponível em: https://revistascientificas.una.py/index.php/RP/article/view/7580. Acesso em: 10 nov. 2026.