Effect of 6-hydroxydopamine on morphine analgesia.
D000698:Analgesia; D000818:Animals; D001923:Brain Chemistry; D002395:Catecholamines / Q000032:analysis; D004298:Dopamine / Q000494:pharmacology*; D005260:Female; D008297:Male; D009020:Morphine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D051381:Rats
D002395:Catecholamines; D009020:Morphine; D004298:Dopamine