A. Shams, Khaled, et al. “Chemical Constituents and Biological Activity of Lipids, Proteins and Flavonoids of Nerium Oleander L. Growing in Egypt”. Asian Journal of Chemistry, vol. 24, no. 1, Sept. 2011, pp. 223-7, https://asianpubs.org/index.php/ajchem/article/view/15999.