In vitro Assay and Study Interaction of Uncaria gambir (Hunter) Roxb. as Anti-fibrotic Activity Against A549 Cell Line, Desdiani, Desdiani, Rengganis Iris, Djauzi Samsuridjal, Setiyono Agus, Sadikin Mohamad, Jusman Sri Widia A., Siregar Nuryati Chairani,, Eyanoer Putri C., and Fadilah Fadilah , Pharmacognosy Journal, September 2020, Volume 12, Issue 6, p.1232-1240, (2020)