Vellamparambil, S. R., Menon, A. G., & Rajagopalan Vinayakumar, A. (2019). Endoscopic removal of foreign bodies from the upper aerodigestive tract: a retrospective study from a tertiary care hospital. International Journal of Otorhinolaryngology and Head and Neck Surgery, 5(4), 960–964. https://doi.org/10.18203/issn.2454-5929.ijohns20192712