Ekramuddaula, AFM, Hasan Zafar Rifat, Mazharul Shaheen, Mohammad Abdus Sattar, and Mohammad Idrish Ali. “A Rare Variant of First Branchial Cleft Fistula”. Bangladesh Journal of Otorhinolaryngology 17, no. 1 (May 17, 2011): 72–75. Accessed November 26, 2022. https://banglajol.info/index.php/BJO/article/view/7633.