title: A comparison of two sedative/hypnotic drugs.
mesh_terms: D000368:Aged; D000983:Antipyrine / Q000627:therapeutic use*; D002697:Chloral Hydrate / Q000627:therapeutic use*; D002719:Chlormethiazole / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D004338:Drug Combinations; D005260:Female; D006207:Half-Life; D006801:Humans; D008297:Male; D008875:Middle Aged; D007319:Sleep Initiation and Maintenance Disorders / Q000188:drug therapy
chemical_list: D004338:Drug Combinations; D002719:Chlormethiazole; D002697:Chloral Hydrate; D000983:Antipyrine