Nihal, Ahmed, and Nagella Praveen. “Effect of Heavy Metal Elicitation on Antioxidants and Andrographolide Content in Cell Suspension Cultures of Andrographis Paniculata ”. Plant Science Today 12, no. 2 (May 26, 2025). Accessed December 5, 2025. https://horizonepublishing.com/index.php/PST/article/view/3473.