Hina, Urooj, Abeera Choudry, Saira Saeed, Faiza Khanam, and Uzma Urooj. 2022. “Association of Low Vitamin D Level Status and Risk of Pre-Eclampsia and Preterm Birth in Women Using Low-Dose Aspirin”. Pakistan Armed Forces Medical Journal 72 (5): 1576-80. https://doi.org/10.51253/pafmj.v72i5.5383.