A. Sakunpak, K. Matsunami, H. Otsuka, and P. Panichayupakaranant. “Isolation of Chamuangone, a Cytotoxic Compound Against Leishmania Major and Cancer Cells from Garcinia Cowa Leaves and Its HPLC Quantitative Determination Method”. Journal of Cancer Research Updates, vol. 6, no. 2, Apr. 2017, pp.  38-45, doi:10.6000/1929-2279.2017.06.02.3.