[TLC densitometric determination of benzoic acid in Daemonorops draco].
D001565:Benzoates / Q000032:analysis*; D019817:Benzoic Acid; D002855:Chromatography, Thin Layer / Q000379:methods; D008516:Medicine, Chinese Traditional; D010946:Plants, Medicinal / Q000032:analysis*
D001565:Benzoates; D019817:Benzoic Acid