Madanmohan Shiraboina, Sambasiva Rao Jupalli, Mrunalini Alugolu, and Margaret Mounika Bonala. “Anaesthetic Management of a Rare Case of Grade 3 Tracheal Stenosis - A Case Report”. International Journal of Health and Clinical Research, vol. 4, no. 23, Dec. 2021, pp. 180-3, https://ijhcr.com/index.php/ijhcr/article/view/3657.