ZHAO Liang, FANG Fang, WANG Yan, WU Xin-feng, WANG Qiang, CHEN Xiao-dong, GONG Xiang-dong, ZHANG Guo-cheng. Treatment of Keloid with Centella Tripterpenes After Surgical Excision and X-Ray Irradiation[J].Chinese Journal of Dermatology, 2003, 36(6): 342-344.