Fakir, Md Abu Yusuf, Md Arif Hossain Bhuyan, Md Mosleh Uddin, HM Mustafizur Rahman, Syed Hasan Imam Al-Masum, and AF Mohiuddin Khan. “Ludwig’s Angina: A Study of 50 Cases”. Bangladesh Journal of Otorhinolaryngology 14, no. 2 (September 7, 2009): 51–56. Accessed December 1, 2021. https://banglajol.info/index.php/BJO/article/view/3281.