title: Screening for neurologic disease in impotent patients.
mesh_terms: D000328:Adult; D000368:Aged; D003929:Diabetic Neuropathies / Q000150:complications; D007172:Erectile Dysfunction / Q000209:etiology*; D006632:Histamine / Q000031:analogs & derivatives; D006801:Humans; D007428:Intradermal Tests; D008297:Male; D008875:Middle Aged; D009422:Nervous System Diseases / Q000150:complications* / Q000175:diagnosis
chemical_list: D006632:Histamine; C027556:histamine phosphate