title: Letter: Serum-phenytoin.
mesh_terms: D000328:Adult; D001682:Biological Availability; D002648:Child; D004827:Epilepsy / Q000188:drug therapy; D006801:Humans; D008297:Male; D010672:Phenytoin / Q000008:administration & dosage / Q000097:blood* / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D010672:Phenytoin