Comparative effects of morphine and fentanyl on isolated heart muscle.
D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D005283:Fentanyl / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009991:Oscillometry; D051381:Rats
D000889:Anti-Arrhythmia Agents; D009020:Morphine; D005283:Fentanyl