Betulinic acid as a novel AT1R inhibitor: attenuation of liver fibrosis via modulation of endothelial–mesenchymal transition in chronic hepatic injury. - Zhu, Bingwen; Dai, Xiyu; Liu, Chunyan; Bi, Tao; Liu, Shenglu; Chen, Lei; Wang, Ting; Zhao, Qixin; Liu, Xinyue; Sun, Qin; Yang, Yingcheng; Liu, Zengjin (Journal of Translational Medicine, 2025)