title: [Studies on the chemical constituents of Beijing propolis].
authors.forename: B J
authors.initials: BJ
authors.lastname: Wang
authors.forename: H J
authors.initials: HJ
authors.lastname: Zhang
mesh_terms: D002853:Chromatography, Liquid / Q000379:methods; D005419:Flavonoids / Q000302:isolation & purification*; D011429:Propolis / Q000032:analysis*; D012116:Resins, Plant / Q000032:analysis*
chemical_list: D005419:Flavonoids; D012116:Resins, Plant; D011429:Propolis