title: Differential spectrophotometric determination of phenylephrine in eye-drops: the deltaAr method.
mesh_terms: D008722:Methods; D009883:Ophthalmic Solutions / Q000032:analysis*; D010656:Phenylephrine / Q000032:analysis*; D013053:Spectrophotometry; D013223:Statistics as Topic
chemical_list: D009883:Ophthalmic Solutions; D010656:Phenylephrine