Fruquintinib inhibits the migration and invasion of colorectal cancer cells by modulating epithelial-mesenchymal transition via TGF-β/Smad signaling pathway - Song, Qinqin; Wu, Hongjiao; Jin, Ye; Hou, Junzhi; Liu, Jiawei; Zhang, Xuemei; Hu, Wanning; Sun, Guogui; Zhang, Zhi (Frontiers in Oncology, 2025)