1. European Medicines Agency: EMA/HMPC/444244/2015 – European Union herbal monograph on Pelargonium sidoides DC and/or Pelargonium reniforme Curt., radix, https://www.ema.europa.eu/en/documents/herbal-monograph/final-european-union-herbal-monograph-pelargonium-sidoides-dc/pelargonium-reniforme-curt-radix-revision-1_en.pdf, Aug 2022. 2. European Medicines Agency: EMA/HMPC/444251/2015 – Assessment report on Pelargonium sidoides DC and/or Pelargonium reniforme Curt., radix, https://www.ema.europa.eu/en/documents/herbal-report/final-assessment-report-pelargonium-sidoides-dc/pelargonium-reniforme-curt-radix-revision-1_en.pdf, Aug 2022. 3. Mack Moyo, Johannes Van Staden. “Medicinal properties and conservation of Pelargonium sidoides DC.” Journal of Ethnopharmacology, 152 (2014) pp. 243-255. http://dx.doi.org/10.1016/j.jep.2014.01.009. 4. Mahomoodally, M. Fawzi. “Traditional Medicines in Africa: An Appraisal of Ten Potent African Medicinal Plants.” Evidence-Based Complementary and Alternative Medicine, vol. 2013, Article ID 617459, pp. 1-15. http://dx.doi.org/10.1155/2013/617459 . 5. Shakier Samie, et al. “The antifungal and Cryptococcus neoformans virulence attenuating activity of Pelargonium sidoides extracts.” Journal of Ethnopharmacology, 235 (2019) pp. 122-132. https://doi.org/10.1016/j.jep.2019.02.008. 6. S.P.N. Mativeandlela, N. Lall*, J.J.M. Meyer. “Antibacterial, antifungal, and antitubercular activity of (the roots of) Pelargonium reniforme (CURT) and Pelargonium sidoides (DC) (Geraniaceae) root extracts.” South African Journal of Botany, 72 (2006) pp. 232-237. doi:10.1016/j.sajb.2005.08.002. 7. T. Brendler, B.-E. van Wyk. “A historical, scientific and commercial perspective on the medicinal use of Pelargonium sidoides (Geraniacea).” Journal of Ethnopharmacology, 119 (2008) pp. 420-433. doi:10.1016/j.jep.2008.07.037.