title: A clinical study of insomnia.
mesh_terms: D000328:Adult; D000368:Aged; D001008:Anxiety Disorders / Q000150:complications; D002986:Clinical Trials as Topic; D003863:Depression / Q000150:complications; D004316:Doxepin / Q000008:administration & dosage / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D005260:Female; D005479:Flurazepam / Q000008:administration & dosage / Q000627:therapeutic use; D005500:Follow-Up Studies; D006801:Humans; D006998:Hypochondriasis / Q000150:complications; D008297:Male; D008875:Middle Aged; D010919:Placebos; D007319:Sleep Initiation and Maintenance Disorders / Q000188:drug therapy* / Q000209:etiology
chemical_list: D010919:Placebos; D004316:Doxepin; D005479:Flurazepam