Budhiraja, G., H. Singh, Harpreet, Prabhjot, and N. Goyal. “A Rare Whistling Foreign Body Bronchus”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 9, no. 10, Sept. 2023, pp. 835-7, doi:10.18203/issn.2454-5929.ijohns20232904.