Rashid, Rafia, Md Wahiduzzaman Mazumder, ASM Bazlul Karim, Fahmida Begum, Fahmida Islam, and Zannatul Ferdous Sonia. “Von Willebrand Disease, A Rare Cause of Massive Upper GI Bleeding: A Case Report”. Bangladesh Journal of Child Health 43, no. 3 (October 7, 2020): 188–191. Accessed October 3, 2025. https://www.banglajol.info/index.php/BJCH/article/view/49581.