title: [Direct effects of thalamonal, pentazonine and droperidol on cardiac contractility].
mesh_terms: D000818:Animals; D004285:Dogs; D004329:Droperidol / Q000494:pharmacology*; D004338:Drug Combinations; D005283:Fentanyl / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D010423:Pentazocine / Q000494:pharmacology*
chemical_list: D004338:Drug Combinations; D004329:Droperidol; D010423:Pentazocine; D005283:Fentanyl