DR. SONAL; DR. APURVA BASU; DR. AKRITI KUMARI. Association of Serum Vitamin B12 Levels with Duration of Metformin Therapy in Type 2 Diabetes Mellitus. International Journal of Pharmacy Research & Technology (IJPRT), [S. l.], v. 15, n. 1, p. 1866–1873, 2025. Disponível em: https://ijprt.org/index.php/pub/article/view/3258. Acesso em: 22 oct. 2026.