COMPARATIVE IN-VITRO ANTIOXIDANT SCREENING OF METHANOLIC EXTRACT OF COSTUS PICTUS & ITS SILVER NANOPARTICLES. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 6, n. 4, p. 334–340, 2014. DOI: 10.25004/IJPSDR.2014.060411. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/363.. Acesso em: 21 sep. 2025.