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