CHHABRA, G. S.; GROVER, A. S.; KAUR, G. Chronic retained esophageal foreign body: a case report. International Journal of Contemporary Pediatrics, [S. l.], v. 8, n. 2, p. 383–385, 2021. DOI: 10.18203/2349-3291.ijcp20210135. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/3962. Acesso em: 25 oct. 2025.