VENKATARAMANA, S.; KHADERBAD, L. S. A Retrospective Study of the Round Radiopaque Foreign Bodies in the Oesophagus. Bengal Journal of Otolaryngology and Head Neck Surgery, Kolkata, India, v. 29, n. 2, p. 196-199, 2021. DOI: 10.47210/bjohns.2021.v29i2.464. Disponível em: https://bjohns.in/journal3/index.php/bjohns/article/view/464. Acesso em: 23 nov. 2024.