Rashid, Rafia, Md Wahiduzzaman Mazumder, ASM Bazlul Karim, Fahmida Begum, Fahmida Islam, and Zannatul Ferdous Sonia. 2020. “Von Willebrand Disease, A Rare Cause of Massive Upper GI Bleeding: A Case Report”. Bangladesh Journal of Child Health 43 (3):188-91. https://doi.org/10.3329/bjch.v43i3.49581.