Effects of curcumin on mRNA expression of TGF-β1, TβRI, TβRII, Col-I,and Col-III in hepatic stellate cells Effects of curcumin on mRNA expression of TGF-β1, TβRI, TβRII, Col-I, and Col-III in hepatic stellate cells Therapeutic effect and mechanism of traditional Chinese compound decoction of Radix Curcumae, Rhizoma Sparganii, Rhizoma Zedoariae on fibrotic liver in rats Effect of Biejiajian Pill on TGF-β1/smad signal pathway in rats with liver fibrosis