Rehman, Aziz-ur, et al. “Bergia Ammannioides: Phytochemical Screening, Antioxidant Activity and Radical Scavenging Effects of Its Various Fractions”. Asian Journal of Chemistry, vol. 25, no. 14, Aug. 2013, pp. 7921-6, doi:10.14233/ajchem.2013.14689.