Effect of total flavonoids of Penthorum chinense Pursh on activated hepatic stellate cells based on TGF-β1/Smads signaling pathway 
YU Lei, XIE Xiao-fang, PENG Fu, XIE Jun, LI Meng-ting, PENG Cheng,
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2020, (7): 1118 -1123 .  DOI: 10.16333/j.1001-6880.2020.7.005