Pengnam, Supusson, Pawaris Wongprayoon, Panupun Limpachayaporn, Kanok-on Rayanil, and Purin Charoensuksai. “Synergistic Activity of Friedelan-3β-Ol Isolated from Euphorbia Lactea and Doxorubicin Against MDA-MB-231 Breast Cancer Cell Line”. Science, Engineering and Health Studies 16 (October 18, 2022): 22050011. Accessed April 19, 2024. https://li01.tci-thaijo.org/index.php/sehs/article/view/254038.