title: Nitric oxide and opioid tolerance.
authors: Neurology and Neuroscience and Pharmacology, Cornell University Medical College, New York 10021, USA.
authors: G W
authors: GW
authors: Pasternak
mesh_terms: D000818:Animals; D004361:Drug Tolerance; D006801:Humans; D009294:Narcotics / Q000494:pharmacology*; D009569:Nitric Oxide / Q000502:physiology*
chemical_list: D009294:Narcotics; D009569:Nitric Oxide