Tanvanich, S., S. Tangjitgamol, S. Manusirivithaya, and S. Jesadapatarakul. “Expression of Estrogen Receptor and Progesterone Receptor in Epithelial Ovarian Tumors”. Vajira Medical Journal : Journal of Urban Medicine, vol. 52, no. 3, Sept. 2011, pp. 249-56, https://he02.tci-thaijo.org/index.php/VMED/article/view/369.