title: Potency ratio between opioid agonists and partial agonists.
mesh_terms: D006801:Humans; D009019:Morphinans / Q000494:pharmacology*; D009020:Morphine / Q000494:pharmacology*; D009266:Nalbuphine / Q000494:pharmacology*; D009292:Narcotic Antagonists / Q000494:pharmacology*; D013810:Therapeutic Equivalency
chemical_list: D009019:Morphinans; D009292:Narcotic Antagonists; D009020:Morphine; D009266:Nalbuphine