“Dental Varnish Preparation Using Andrographis Paniculata Stem Mediated Selenium Nanoparticles and Its Antimicrobial Activity Against Oral Pathogens”. International Journal of Environmental Sciences (September 1, 2025): 4073–4079. Accessed September 23, 2026. https://theaspd.com/index.php/ijes/article/view/9146.