title: Patch tests in drug eruptions.
mesh_terms: D000328:Adult; D003875:Drug Eruptions / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008297:Male; D010328:Patch Tests; D010672:Phenytoin / Q000009:adverse effects; D012882:Skin Tests
chemical_list: D010672:Phenytoin