Victor Ekundina, et al. “Expression of CEA, CA125 and P16INK4A in the Normal Breast, Fibroadenoma and Invasive Adenocarcinomas of the Breast”. AlQalam Journal of Medical and Applied Sciences, vol. 5, no. 1, Feb. 2022, pp. 78-88, https://journal.utripoli.edu.ly/index.php/Alqalam/article/view/33.