“ENHANCEMENT OF ANTI-HEPATITIS C VIRUS ACTIVITY BY THE COMBINATION OF CHALEPIN FROM RUTA ANGUSTIFOLIA AND CURRENT ANTIVIRAL DRUGS: Tutik Sri Wahyuni1,2, Adita Ayu Permanasari2; Aty Widyawaruyanti1, Achmad Fuad Hafid1,2 , Hiroyuki Fuchino3, Nobuo Kawahara3 and Hak Hotta4”. (2020) 2021. The Southeast Asian Journal of Tropical Medicine and Public Health 51 (1): 18-25. https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/107.