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The Kaplan-Meier survival curve of three different treatment regimens for the treatment of primary liver cancer: (1) the addition and subtraction theory of TCM using Xiao-Chaihu-Decoction (XCHD group); (2) naturopathic medicine therapy (NM group); (3) Xiao-Chaihu-Decoction combined with naturopathic medicine therapy (combined group).
