title: [Determination of annaka injection by an improved double wavelength spectrophotometry].
authors.forename: M
authors.initials: M
authors.lastname: Zhou
authors.forename: L
authors.initials: L
authors.lastname: Wen
authors.forename: K
authors.initials: K
authors.lastname: Deng
mesh_terms: D002110:Caffeine / Q000032:analysis*; D004339:Drug Compounding; D020160:Sodium Benzoate / Q000032:analysis*; D013053:Spectrophotometry / Q000379:methods
chemical_list: D002110:Caffeine; D020160:Sodium Benzoate