Tibetan Medical Formula Shi-Wei-Gan-Ning-Pill Protects Against Carbon Tetrachloride-Induced Liver Fibrosis – An NMR-Based Metabolic Profiling oleh Xin Feng, Ming-Hui Li, Jing Xia, Da J. Deng Ba, Ling-Yu Ruan, Yue-Xiao Xing, Cheng Chen, Jun-Song Wang, Ge-Jia Zhong