title: Opiate receptor involvement in the quasi-morphine withdrawal syndrome induced by acute injection of R 18 503.
mesh_terms: D000818:Animals; D005283:Fentanyl / Q000494:pharmacology; D006801:Humans; D007093:Imidazoles / Q000494:pharmacology*; D008297:Male; D009020:Morphine / Q000009:adverse effects*; D009292:Narcotic Antagonists / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D011957:Receptors, Opioid / Q000502:physiology*; D013375:Substance Withdrawal Syndrome / Q000209:etiology*
chemical_list: D007093:Imidazoles; D009292:Narcotic Antagonists; D011957:Receptors, Opioid; C034608:alpha-(4-chlorophenyl)-beta-dimethylimidazole-1-ethanol; D009020:Morphine; D005283:Fentanyl