PRELIMINARY PHYTOCHEMICAL SCREENING AND EVALUATION OF IN VITRO ANTIOXIDANT ACTIVITY OF IRAQI SPECIES OF HYPERICUM PERFORATUM AERIAL PART. International Research Journal of Pharmacy, [S. l.], v. 5, n. 5, p. 42–46, 2024. Disponível em: https://irjponline.org/index.php/irjp/article/view/1285. Acesso em: 1 jul. 2026.