Downhill esophageal varices associated with superior vena cava syndrome – A case report . Research, Society and Development, [S. l.], v. 11, n. 10, p. e438111033003, 2022. DOI: 10.33448/rsd-v11i10.33003. Disponível em: https://www.rsdjournal.org/rsd/article/view/33003. Acesso em: 6 dec. 2025.