Karim KMR, Parvin F, Ali L. Plasma Homocysteine, Folate and Vitamin B₁₂ in Different Trimester of Pregnancy. Bangladesh J Nutrition [Internet]. 2012 Dec. 5 [cited 2024 Nov. 24];22:69-7. Available from: https://banglajol.info/index.php/BJNUT/article/view/12833