Patnala, Srinivas, and Isadore Kanfer. “HPLC Analysis of Mesembrine-Type Alkaloids in Sceletium Plant Material Used As An African Traditional Medicine”. Journal of Pharmacy & Pharmaceutical Sciences 13, no. 4 (November 19, 2010): 558–570. Accessed April 20, 2024. https://journals.library.ualberta.ca/jpps/index.php/JPPS/article/view/9395.