Yediel-Aras, Sukran, et al. “Tumor Necrosis Factor-Alpha and Interleukin 6 Localization in the Umbilical Cord Tissue of Pregnant Women With Preeclampsia: Smokers and Non-Smokers”. Puerto Rico Health Sciences Journal, vol. 43, no. 4, Dec. 2024, pp. 214-20, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/3131.