I. U. Chowdhury, M. M. Sharif, M. S. Islam, A. Hossain, A. Amin, and M. A. Hai, “Adenoid Cystic Carcinoma of Trachea: Two Case Report”, Khwaja Yunus Ali Medical College Journal, vol. 10, no. 1, pp. 60–63, May 2019.