title: The effect of naloxone on blood catecholamine levels in conscious unrestrained morphine dependent rats.
mesh_terms: D000818:Animals; D002395:Catecholamines / Q000097:blood; D008297:Male; D009021:Morphine Dependence / Q000097:blood*; D009270:Naloxone / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D013375:Substance Withdrawal Syndrome / Q000097:blood
chemical_list: D002395:Catecholamines; D009270:Naloxone