title: Contractile effects of morphine and pentazocine on isolated ventricular myocardium.
mesh_terms: D000818:Animals; D002415:Cats; D003864:Depression, Chemical; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D006352:Heart Ventricles / Q000187:drug effects*; D066298:In Vitro Techniques; D009020:Morphine / Q000494:pharmacology*; D010210:Papillary Muscles / Q000187:drug effects; D010423:Pentazocine / Q000494:pharmacology*
chemical_list: D009020:Morphine; D010423:Pentazocine