Karim, Kazi Muhammad Rezaul, Farzana Parvin, and Liaquat Ali. “Plasma Homocysteine, Folate and Vitamin B₁₂ In Different Trimester of Pregnancy”. Bangladesh Journal of Nutrition 22 (December 5, 2012): 69–79. Accessed November 24, 2024. https://banglajol.info/index.php/BJNUT/article/view/12833.