title: Letter: Phenytoin dosage.
mesh_terms: D001682:Biological Availability; D004305:Dose-Response Relationship, Drug; D004827:Epilepsy / Q000188:drug therapy; D006801:Humans; D010672:Phenytoin / Q000008:administration & dosage* / Q000097:blood / Q000627:therapeutic use
chemical_list: D010672:Phenytoin