P.S P, Kartha. A.J. A. Elemental analysis of Andrographis echioides (L.)Nees. leaves, a potential pharmaceutical plant using atomic absorption spectroscopy (AAS). Asian J Pharm Res Dev [Internet]. 2021 Jun. 15 [cited 2024 Apr. 25];9(3):43-7. Available from: https://ajprd.com/index.php/journal/article/view/974