Vellamparambil, Sreeja Raj, Arjun Gopinath Menon, and Ariyamparambil Rajagopalan Vinayakumar. 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):960-64. https://doi.org/10.18203/issn.2454-5929.ijohns20192712.