Petia Genova-Kalou, Stefka Krumova, Maya M. Zaharieva, Nadezhda Markova. Mini Review: Chemical Characterization and Evaluation of Antiviral and Antibacterial Activity of Extracts from Graptopetalum paraguayense E. Walther (Crassulaceae). ASRJETS-Journal. 2022;85(1):301-312. Accessed October 29, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/7244