title: Naloxone and levallorphan: a comparative study of agonist activity.
mesh_terms: D001794:Blood Pressure / Q000187:drug effects*; D002245:Carbon Dioxide; D003864:Depression, Chemical; D006801:Humans; D007977:Levallorphan / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology*; D011680:Pupil / Q000187:drug effects*; D012119:Respiration / Q000187:drug effects*
chemical_list: D002245:Carbon Dioxide; D007977:Levallorphan; D009270:Naloxone