S. Erpek, A. Kafkasli, A. Otlu, PhD, and R. Atmaca, “Mast Cell Density of the Human Umbilical Cord ”, Ann Med Res , vol. 5, no. 1, pp. 0043–0046, May 2021, Accessed: Aug. 25, 2026. [Online]. Available: http://www.annalsmedres.org/index.php/aomr/article/view/2662