SHARMA, P.; SINGH, G. B.; SALEEM, S. Double-coin foreign body in the oesophagus mimicking a button battery: a report of two cases with literature review. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 11, n. 6, p. 745–747, 2025. DOI: 10.18203/issn.2454-5929.ijohns20253817. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/4728. Acesso em: 2 feb. 2026.