Anwar, Saadia, Kinza Sammar, Laila Khalid, Sidrah Arshad, Najma Fida, and Sana Nafees. “Maternal Vitamin A and Zinc Status in Relation to Placental Physiology and Fetal Growth Outcomes: A Systematic Review: Maternal Vitamin A and Zinc Status in Relation to Placental Physiology and Fetal Growth”. Pakistan BioMedical Journal 9, no. 8 (August 31, 2026). Accessed September 18, 2026. https://www.pakistanbmj.com/journal/index.php/pbmj/article/view/1425.