GELLER, Stephen A.; CAMPOS, Fernando Peixoto Ferraz de. Esophageal involvement in progressive systemic sclerosis. Autopsy and Case Reports, São Paulo, Brasil, v. 3, n. 3, p. 77–79, 2013. DOI: 10.4322/acr.%y.75890. Disponível em: https://journals.usp.br/autopsy/article/view/75890.. Acesso em: 9 apr. 2025.