Ken Yasukawa, So Yeon Yu, Shigetoshi Tsutsumi, Masahiko Kurokawa, and Yong K. Park. “Inhibitory Effects of Brazilian Propolis on Tumor Promotion in Two-Stage Mouse Skin Carcinogenesis”. Journal of Pharmacy and Nutrition Sciences 2, no. 1 (January 5, 2012): 71–76. Accessed April 4, 2025. http://set-publisher.com/index.php/jpans/article/view/1388.