M. S., S. R., and D. Karade. “A Retrospective Clinical Study and Management of Ingested Indian Currency Coin Found in the Oesophagus Among Paediatric Age Group”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 5, no. 6, Oct. 2019, pp. 1601-6, doi:10.18203/issn.2454-5929.ijohns20194939.