Isolation and Antioxidant Activity of Harmalol from Grewia villosa Willd. Stem and Root Bark. The East and Central African Journal of Pharmaceutical Sciences, [S. l.], v. 27, n. 1, p. 14–19, 2025. Disponível em: http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/2694. Acesso em: 14 jun. 2026.