“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 June 27, 2026. https://banglajol.info/index.php/BJMS/article/view/66965.