title: Actions of enkephalin and morphine on spinal cord and brain stem neurones [proceedings].
mesh_terms: D000818:Animals; D001933:Brain Stem / Q000166:cytology*; D002415:Cats; D066298:In Vitro Techniques; D009020:Morphine / Q000494:pharmacology*; D009474:Neurons / Q000187:drug effects*; D009842:Oligopeptides / Q000494:pharmacology*; D013116:Spinal Cord / Q000166:cytology*
chemical_list: D009842:Oligopeptides; D009020:Morphine