title: Effect of naloxone on antinociceptive activity of phenoxybenzamine.
mesh_terms: D000698:Analgesia; D000818:Animals; D004305:Dose-Response Relationship, Drug; D008297:Male; D051379:Mice; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology*; D010643:Phenoxybenzamine / Q000494:pharmacology*; D010646:Phentolamine / Q000494:pharmacology; D011957:Receptors, Opioid; D013997:Time Factors; D014043:Tolazoline / Q000494:pharmacology
chemical_list: D011957:Receptors, Opioid; D010643:Phenoxybenzamine; D009270:Naloxone; D009020:Morphine; D014043:Tolazoline; D010646:Phentolamine