title: [Comparison of the effects of minor tranquilizers in preoperative sleep disorders by double blind controlled study].
mesh_terms: D001381:Azepines / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003975:Diazepam / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D009567:Nitrazepam / Q000627:therapeutic use; D010919:Placebos; D011300:Preoperative Care; D012893:Sleep Wake Disorders / Q000188:drug therapy*; D013876:Thiophenes / Q000627:therapeutic use*; D014149:Tranquilizing Agents / Q000627:therapeutic use*
chemical_list: D001381:Azepines; D010919:Placebos; D013876:Thiophenes; D014149:Tranquilizing Agents; D009567:Nitrazepam; D003975:Diazepam