Psoralen accelerates osteogenic differentiation of human bone marrow mesenchymal stem cells by activating the TGF-β/Smad3 pathway. - Huang, Yongquan; Liao, Liu; Su, Haitao; Chen, Xinlin; Jiang, Tao; Liu, Jun; Hou, Qiuke (Experimental & Therapeutic Medicine, 2021)