Mishra G, Das PKL, Karki D. A Study of Vitamin B12 Deficiency in Type-II Diabetic Patients on Metformin Therapy in Eastern Region of Nepal. Med. J. Eastern Nep. [Internet]. 2024 Dec. 29 [cited 2025 Jan. 31];3(2):22-6. Available from: https://nepjol.info./index.php/mjen/article/view/73050