SCARILLI, F.; TIZZANI, D. A dark and black esophagus. Emergency Care Journal, [S. l.], v. 20, n. 3, 2024. DOI: 10.4081/ecj.2024.12738. Disponível em: https://www.pagepressjournals.org/ecj/article/view/12738. Acesso em: 21 dec. 2024.