S. Anwar, K. Sammar, L. Khalid, S. Arshad, N. Fida, and S. 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 ”, PBMJ, vol. 9, no. 8, pp. 49–57, Aug. 2026, doi: 10.54393/pbmj.v9i8.1425.