title: Beta-2-blocking effect of metoprolol.
mesh_terms: D000319:Adrenergic beta-Antagonists; D006801:Humans; D008214:Lymphocytes / Q000187:drug effects; D008790:Metoprolol / Q000494:pharmacology*; D011412:Propanolamines / Q000494:pharmacology*; D011433:Propranolol / Q000494:pharmacology; D011941:Receptors, Adrenergic / Q000187:drug effects*; D011943:Receptors, Adrenergic, beta / Q000187:drug effects*
chemical_list: D000319:Adrenergic beta-Antagonists; D011412:Propanolamines; D011941:Receptors, Adrenergic; D011943:Receptors, Adrenergic, beta; D011433:Propranolol; D008790:Metoprolol