Serum Vitamin B12 and Folic Acid Status of Patients with Type II DM on Metformin. Chatt Maa Shi Hosp Med Coll J [Internet]. 2026 Feb. 1 [cited 2026 Jun. 26];24(1):12-6. Available from: https://www.banglajol.info/index.php/CMOSHMCJ/article/view/82436