title: [Quantitative TLC-densitometry of coumarins in Qin Pi (Fraxinus stylosa)].
mesh_terms: D002681:China; D002855:Chromatography, Thin Layer; D003374:Coumarins / Q000032:analysis*; D003720:Densitometry; D010946:Plants, Medicinal / Q000032:analysis*
chemical_list: D003374:Coumarins