title: Stereoscpecific actions of morphine on single neurones in the brain stem of the rat.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001933:Brain Stem / Q000187:drug effects* / Q000502:physiology; D003917:Dextrorphan / Q000494:pharmacology; D007478:Iontophoresis; D007981:Levorphanol / Q000494:pharmacology; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009474:Neurons / Q000187:drug effects; D051381:Rats
chemical_list: D003917:Dextrorphan; D007981:Levorphanol; D009020:Morphine