Venkataramana, S. and Khaderbad, L. S. (2021) “A Retrospective Study of the Round Radiopaque Foreign Bodies in the Oesophagus”, Bengal Journal of Otolaryngology and Head Neck Surgery. Kolkata, India, 29(2), pp. 196-199. doi: 10.47210/bjohns.2021.v29i2.464.