Dutta, M., S. Ghatak, I. Sen, J. Saha, G. Biswas, R. Sinha, and B. Adhikary. “Impacted Porcelain Foreign Body in the Nasopharynx: A Clinical Enigma”. Bangladesh Journal of Otorhinolaryngology, vol. 17, no. 2, Nov. 2011, pp. 139-43, doi:10.3329/bjo.v17i2.8856.