Sedyati, Pelagia, and Untung Sudharmono. 2019. “Effectiveness of Boiled Comfrey Leaf (Symphytum Officinale L) on Ureum Creatinine Serum in Male Wistar Strain of Acute Kidney Failure Model.”. 11th International Scholars Conference 7 (1):705-15. https://doi.org/10.35974/isc.v7i1.2075.