title: A study on the release of 3H-5-hydroxytryptamine from brain during acupuncture and morphine analgesia.
mesh_terms: D015670:Acupuncture Therapy; D000698:Analgesia; D000818:Animals; D001921:Brain / Q000378:metabolism*; D005260:Female; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D011817:Rabbits; D012701:Serotonin / Q000378:metabolism*
chemical_list: D012701:Serotonin; D009020:Morphine