EFFICIENT EXTRACTION OF TRITERPENOID SAPONINS FROM LEAVES OF CLEMATIS NAPAULENSIS DC.– AN INDIGENOUS MEDICINAL PLANT USED IN TREATMENT OF RHEUMATOID ARTHRITIS. International Research Journal of Pharmacy, [S. l.], v. 15, n. 5, p. 11–20, 2024. Disponível em: https://irjponline.org/index.php/irjp/article/view/78. Acesso em: 25 may. 2026.