Azhar, A., I. Riwanto, E. A. Nugroho, N. Susilaningsih, Y. W. Prajoko, P. Budiono, and S. A. Prasetyo. “Antioxidant and Anti-Inflammatory Effect of Graptophyllum Pictum (L.) Griff Extract Study on SOD and COX-2 Serum of Experimental Hemorrhoids”. Medica Hospitalia : Journal of Clinical Medicine, vol. 7, no. 2, Nov. 2020, pp. 422-6, doi:10.36408/mhjcm.v7i2.515.