Safaa Abd Elsalam Ibrahim , WalidAbdalla Mohamed AbdElsalam, Abeer AbdElmogni Ali Ahmed, Ahmed Metwally El Katawy. “Impact of First-Trimester Vitamin D Deficiency on the Risk of Gestational Diabetes Mellitus: A Comprehensive Review”. Journal of Computational Analysis and Applications (JoCAAA), vol. 33, no. 06, June 2024, pp. 2930-43, https://eudoxuspress.com/index.php/pub/article/view/3749.