title: Propiomazine, pentobarbital, hydroxyzine, and placebo: double-blind comparison of sedative effects.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000775:Anesthesia, Spinal; D001794:Blood Pressure / Q000187:drug effects; D002648:Child; D002986:Clinical Trials as Topic; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D006919:Hydroxyzine / Q000627:therapeutic use*; D006993:Hypnotics and Sedatives / Q000627:therapeutic use*; D008875:Middle Aged; D010424:Pentobarbital / Q000627:therapeutic use*; D010640:Phenothiazines / Q000627:therapeutic use; D010919:Placebos; D011674:Pulse / Q000187:drug effects; D012119:Respiration / Q000187:drug effects
chemical_list: D006993:Hypnotics and Sedatives; D010640:Phenothiazines; D010919:Placebos; D006919:Hydroxyzine; D010424:Pentobarbital