Singh, Arya, Rahnuma Ahmad, Susmita Sinha, Md Ahsanul Haq, Mahendra Narwaria, Mainul Haque, Santosh Kumar, and Nandita Sanghani. “One Anastomosis Gastric Bypass Surgery: Consequences Over Ascorbic Acid, Cobalamin, Calciferol, and Calcium”. Bangladesh Journal of Medical Science 22, no. 3 (June 16, 2023): 695–708. Accessed July 17, 2024. https://banglajol.info/index.php/BJMS/article/view/66965.