title: Lower phenytoin serum levels in persons switched from brand to generic phenytoin.
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Jefferys
mesh_terms: D000927:Anticonvulsants / Q000097:blood / Q000493:pharmacokinetics; D002986:Clinical Trials as Topic / Q000941:ethics* / Q000592:standards; D016265:Conflict of Interest / Q000191:economics*; D030881:Disclosure / Q000941:ethics* / Q000592:standards; D004345:Drug Industry / Q000941:ethics / Q000592:standards; D004827:Epilepsy / Q000188:drug therapy*; D006801:Humans; D010672:Phenytoin / Q000097:blood / Q000493:pharmacokinetics*; D013810:Therapeutic Equivalency
chemical_list: D000927:Anticonvulsants; D010672:Phenytoin