title: Determination of two metoprolol metabolites in human urine by high-performance liquid chromatography.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D006801:Humans; D007700:Kinetics; D008790:Metoprolol / Q000031:analogs & derivatives / Q000652:urine*
chemical_list: C029503:H117-04; C029504:alpha-hydroxymetoprolol; D008790:Metoprolol