Effect of Saurauia vulcani leaf extract on spleen morphometric and histopathological changes in rats infected with Salmonella typhimurium. - Simanjuntak, Samuel Manutur; Mayasari, Evita; Lubis, Lokot Donna; Noreen, Sana; Pane, Yunita Sari (Journal of Advanced Pharmaceutical Technology & Research, 2026)