Vo, Nga, Linh Nguyen, Nhut Nguyen, Phung Nguyen, and Suong Nguyen. “FOUR LIGNANS FROM ROOT OF PSEUDERANTHEMUM CARRUTHERSII (SEEM.) GUILL. VAR. ATROPURPUREUM (BULL.) FOSB.”. VNUHCM Journal of Science and Technology Development 14, no. 2 (June 30, 2011): 12-19. Accessed July 1, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1938.