KARIM, Anas; EYÜPOĞLU, Volkan. The Effect Of Metformin On The Absorption Of Vitamin B12, Folic Acid, Homocysteine And Creatinin; A Cross-Sectional Study In Karbala Province. Journal of Neonatal Surgery, Lahore, Pakistan, v. 14, n. 12S, p. 177–183, 2025. DOI: 10.52783/jns.v14.3135. Disponível em: https://jneonatalsurg.com/index.php/jns/article/view/3135. Acesso em: 3 mar. 2026.