Roark, Bruce, and M. P. Morris. “The Biosynthesis of Steroidal Sapogenins by Homogenates of Dioscorea Tubers”. The Journal of Agriculture of the University of Puerto Rico 45, no. 2 (June 8, 2022): 119–120. Accessed May 2, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/12263.