title: Morphine antagonism with nalbuphine.
mesh_terms: D006801:Humans; D009019:Morphinans / Q000494:pharmacology*; D009020:Morphine / Q000037:antagonists & inhibitors*; D009266:Nalbuphine / Q000494:pharmacology*
chemical_list: D009019:Morphinans; D009020:Morphine; D009266:Nalbuphine