Effects of narcotic analgesics on contractile function of isolated cardiac muscle.
D000701:Analgesics, Opioid / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D000818:Animals; D002415:Cats; D004558:Electric Stimulation; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects*; D009270:Naloxone / Q000494:pharmacology; D010210:Papillary Muscles / Q000502:physiology
D000701:Analgesics, Opioid; D009270:Naloxone