title: Letter: Phenytoin dosage nomogram.
mesh_terms: D004827:Epilepsy / Q000188:drug therapy*; D005500:Follow-Up Studies; D006801:Humans; D010672:Phenytoin / Q000008:administration & dosage* / Q000097:blood / Q000627:therapeutic use; D012189:Retrospective Studies
chemical_list: D010672:Phenytoin