Islam, M. A. ., M. M. . Rahman, T. . Mohammad, H. . Kabir, and N. H. . Chowdhury. “Antrochaonal Polyp in a 4 Years Old Child”. Bangladesh Journal of Otorhinolaryngology, vol. 27, no. 2, Nov. 2021, pp. 188-93, doi:10.3329/bjo.v27i2.56367.