Khan, M., A. Sharif, A. Taous, M. Mostafa, S. Kundu, M. Hossain, and M. Mustafa. “Unusual Perforating Foreign Body in the Neck”. Mymensingh Medical Journal, vol. 15, no. 2, June 2007, pp. 212-4, https://www.banglajol.info/index.php/MMJ/article/view/47.