title: [Inhibitory effect of a microinjection of morphine into the ventral medulla on ventricular extrasystoles induced by hypothalamic stimulation in the rabbit].
mesh_terms: D000818:Animals; D005117:Cardiac Complexes, Premature / Q000209:etiology*; D005260:Female; D007031:Hypothalamus / Q000502:physiology*; D008297:Male; D008526:Medulla Oblongata / Q000502:physiology*; D008845:Microinjections; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology; D011817:Rabbits; D011903:Raphe Nuclei / Q000502:physiology; D011957:Receptors, Opioid / Q000502:physiology
chemical_list: D011957:Receptors, Opioid; D009270:Naloxone; D009020:Morphine