title: Sensitivity of morphine-tolerant rats to muscarinic and dopaminergic agonists: relation to tolerance or withdrawal.
mesh_terms: D000818:Animals; D003216:Conditioning, Operant / Q000187:drug effects; D004361:Drug Tolerance; D006801:Humans; D008297:Male; D009021:Morphine Dependence / Q000503:physiopathology*; D010277:Parasympathomimetics / Q000494:pharmacology*; D010727:Phosphoric Diester Hydrolases / Q000378:metabolism; D011813:Quinuclidinyl Benzilate / Q000494:pharmacology; D051381:Rats; D011954:Receptors, Dopamine / Q000187:drug effects*; D013134:Spiperone / Q000494:pharmacology; D013375:Substance Withdrawal Syndrome / Q000503:physiopathology*
chemical_list: D010277:Parasympathomimetics; D011954:Receptors, Dopamine; D013134:Spiperone; D011813:Quinuclidinyl Benzilate; D010727:Phosphoric Diester Hydrolases