title: Acute and chronic effects of nicotine in rats and evidence for a noncholinergic site of action.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D001921:Brain / Q000378:metabolism; D004361:Drug Tolerance; D004745:Enkephalins / Q000378:metabolism; D006624:Hippocampus / Q000187:drug effects*; D007276:Injections, Intraventricular; D008297:Male; D009043:Motor Activity / Q000187:drug effects; D009538:Nicotine / Q000008:administration & dosage / Q000037:antagonists & inhibitors / Q000378:metabolism / Q000494:pharmacology*; D051381:Rats; D011950:Receptors, Cholinergic / Q000502:physiology
chemical_list: D004745:Enkephalins; D011950:Receptors, Cholinergic; D009538:Nicotine