Ullal, Aishwarya, Sanjeev Mishra, and R. K. Mundra. 2018. “Unusual Foreign Bodies of the Airway: A Case Series Regarding Their Management”. International Journal of Otorhinolaryngology and Head and Neck Surgery 4 (4):1089-91. https://doi.org/10.18203/issn.2454-5929.ijohns20182720.