Bearzi, Cristiane Fadel, Danilo Chiaradia Finamor, Giovana Marim, and Fausto Rohnelt Durante. “Vitamin D Deficiency and Preterm Birth: A Comprehensive Review”. International Journal of Nutrology 16, no. 3 (August 10, 2023). Accessed May 14, 2024. https://ijn.zotarellifilhoscientificworks.com/index.php/ijn/article/view/323.