S. Sonitha, A. Poonkavi, S.Tamilselvi, and S. Mathu kumar. “Screening of Heavy Metals in Thurusu Vaippu (Copper Sulphate) - A Siddha Preparation”. International Journal of Ayurveda and Pharma Research 10, no. 5 (June 5, 2022): 17-19. Accessed November 23, 2024. http://ijaprs.com/index.php/ijapr/article/view/2375.