Li, X., L. Lou, S. Wu, Y. Chen, and L. Jin. “Effects of Neferine on TGF-β1 Induced Proliferation and Gremlin Expression in Hepatic Stellate Cells”. Bangladesh Journal of Pharmacology, vol. 7, no. 3, Aug. 2012, pp. 169-72, doi:10.3329/bjp.v7i3.11298.