ANTIMICROBIAL ACTIVITY OF ACETONE EXTRACT AND USNIC ACID CONSTITUENT OF LICHEN USNEA LONGISSIMA (ACH.). International Research Journal of Pharmacy, [S. l.], v. 9, n. 7, p. 85–94, 2018. Disponível em: https://irjponline.org/index.php/irjp/article/view/1368. Acesso em: 31 oct. 2026.