title: The assessment of changes in anxiety in a drug trial: a comparison of methods.
mesh_terms: D000293:Adolescent; D000328:Adult; D000704:Analysis of Variance; D001008:Anxiety Disorders / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D003975:Diazepam / Q000627:therapeutic use; D005260:Female; D006801:Humans; D006919:Hydroxyzine / Q000627:therapeutic use; D008297:Male; D008722:Methods; D010555:Personality Inventory; D010919:Placebos; D011581:Psychological Tests
chemical_list: D010919:Placebos; D006919:Hydroxyzine; D003975:Diazepam