Amadi, Emenike B., et al. “Ulcer-Protective Property of Bryophyllum Pinnatum Leaf Extract and Their Phytosomal Formulations: doi.org 10.26538 Tjnpr V4i12.29”. Tropical Journal of Natural Product Research (TJNPR), vol. 4, no. 12, Dec. 2020, pp. 1201-7, https://tjnpr.org/index.php/home/article/view/910.