title: Beta-blocker withdrawal syndrome.
mesh_terms: D000818:Animals; D004342:Drug Hypersensitivity / Q000209:etiology; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008790:Metoprolol / Q000008:administration & dosage*; D011412:Propanolamines / Q000008:administration & dosage*; D051381:Rats; D012146:Rest; D013375:Substance Withdrawal Syndrome
chemical_list: D011412:Propanolamines; D008790:Metoprolol