title: Simultaneous determination of phenytoin, phenobarbital and their para-hydroxylated metabolites in urine by reversed-phase high-performance liquid chromatography.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D005260:Female; D006801:Humans; D006900:Hydroxylation; D008722:Methods; D010634:Phenobarbital / Q000652:urine*; D010672:Phenytoin / Q000652:urine*
chemical_list: D010672:Phenytoin; D010634:Phenobarbital