Eden, W.T. et al. 2023. Antioxidant and Anticancer Activity of Opuntia elatio Mill. Ethanol Extract and the Fractions: http://www.doi.org/10.26538/tjnpr/v7i12.27. Tropical Journal of Natural Product Research (TJNPR). 7, 12 (Dec. 2023), 5558–5565.