title: Actions and interactions of microiontophoretically applied morphine with transmitter substances on brain stem neurones.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001933:Brain Stem / Q000187:drug effects*; D002531:Cerebellum / Q000502:physiology; D004347:Drug Interactions; D007478:Iontophoresis; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D009474:Neurons / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology; D051381:Rats; D012701:Serotonin / Q000494:pharmacology
chemical_list: D012701:Serotonin; D009020:Morphine; D000109:Acetylcholine; D009638:Norepinephrine