title: Studies on muscle rigidity: droperidol, diazepam, and promethazine.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000328:Adult; D000647:Amnesia / Q000139:chemically induced; D001544:Benperidol / Q000494:pharmacology*; D003243:Consciousness / Q000187:drug effects; D003975:Diazepam / Q000008:administration & dosage / Q000494:pharmacology*; D004576:Electromyography; D006801:Humans; D008297:Male; D009129:Muscle Tonus / Q000187:drug effects*; D009609:Nitrous Oxide / Q000494:pharmacology; D011398:Promethazine / Q000008:administration & dosage / Q000494:pharmacology*; D014149:Tranquilizing Agents / Q000494:pharmacology*
chemical_list: D014149:Tranquilizing Agents; D001544:Benperidol; D011398:Promethazine; D009609:Nitrous Oxide; D003975:Diazepam