Guevara, Hellen Astrid, Pilar Ester Luengas, and Giovanny Garavito. “Documental Revision of the Natural Products Authorized for Marketing in Colombia”. Colombia Medica 41, no. 2 (June 24, 2010): 129–140. Accessed July 22, 2024. https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/694.