title: Diphenylhydantoin effects on thyroid function tests.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010672:Phenytoin / Q000494:pharmacology*; D013960:Thyroid Function Tests
chemical_list: D010672:Phenytoin