Methanolic Stem Extract of Pereiria medica: Concentration-dependent DPPH and ABTS Radical Scavenging Activity. International Journal of Research in Pharmaceutical Sciences and Technology, [S. l.], v. 9, n. 3, 2026. DOI: 10.33974/xjesy952. Disponível em: http://rubatosisjournals.com/index.php/ijrpst/article/view/430. Acesso em: 10 aug. 2026.