Vinayak, G., and N. Praveen. “Variations in Andrographolide Content, Phytochemical Constituents and Antioxidant Activity of Leaves of Andrographis Paniculata (L.) Nees Collected from Different Locations of Southern India”. Asian Journal of Chemistry 33, no. 2 (January 15, 2021): 399–403. Accessed May 8, 2024. https://asianpubs.org/index.php/ajchem/article/view/33_2_24.