title: Effects of methionine-enkephalin and leucine-enkephalin compared with those of morphine on brainstem neurones in cat.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D001933:Brain Stem / Q000166:cytology / Q000187:drug effects* / Q000502:physiology; D002415:Cats; D003864:Depression, Chemical; D007930:Leucine; D008024:Ligands; D008715:Methionine; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D009419:Nerve Tissue Proteins / Q000494:pharmacology*; D009474:Neurons / Q000187:drug effects; D009842:Oligopeptides / Q000494:pharmacology*; D013329:Structure-Activity Relationship
chemical_list: D008024:Ligands; D009419:Nerve Tissue Proteins; D009842:Oligopeptides; D009270:Naloxone; D009020:Morphine; D008715:Methionine; D007930:Leucine