Schuh, G. J., Schuh, S. J., Lopes, F. V., & Maciel, A. C. (2020). Plummer-vinson syndrome associated with lower esophageal ring (Schatzki’s Ring) and hiatus hernia. Clinical and Biomedical Research, 39(4). Recuperado de https://seer.ufrgs.br/index.php/hcpa/article/view/97226