title: A double-blind comparison of methaqualone, pentobarbital and placebo in the management of insomnia.
mesh_terms: D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D008702:Methaqualone / Q000627:therapeutic use; D008875:Middle Aged; D010424:Pentobarbital / Q000627:therapeutic use*; D010919:Placebos / Q000627:therapeutic use*; D007319:Sleep Initiation and Maintenance Disorders / Q000188:drug therapy*; D014149:Tranquilizing Agents / Q000627:therapeutic use*
chemical_list: D010919:Placebos; D014149:Tranquilizing Agents; D008702:Methaqualone; D010424:Pentobarbital