Hidayat, M., Adhika, O.A., Tanuwijaya, F., Nugraha, A. and Hutagalung, R.B. 2019. Effective Dose of Rosella Calyx Extract (Hibiscus sabdariffa L.) against Liver Marker Enzymes and Liver Histopathological of High-Fat Feed-Induced Rats. Journal of Medicine and Health. 2, 4 (Aug. 2019). DOI:https://doi.org/10.28932/jmh.v2i4.1827.