[The role of noradrenergic neurons in morphine analgesia (author's transl)].
D000698:Analgesia; D000818:Animals; D008750:Methyldopa / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology*; D009474:Neurons / Q000502:physiology; D008771:Nordefrin / Q000494:pharmacology; D009638:Norepinephrine / Q000502:physiology*; D051381:Rats; D013564:Sympathetic Nervous System / Q000502:physiology*
D008750:Methyldopa; D009020:Morphine; D008771:Nordefrin; D009638:Norepinephrine