title: Beta blockers and COPD.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology / Q000627:therapeutic use*; D000403:Airway Resistance / Q000187:drug effects; D000818:Animals; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D008790:Metoprolol / Q000494:pharmacology / Q000627:therapeutic use; D011433:Propranolol / Q000494:pharmacology / Q000627:therapeutic use; D051381:Rats; D011943:Receptors, Adrenergic, beta / Q000187:drug effects
chemical_list: D000319:Adrenergic beta-Antagonists; D011943:Receptors, Adrenergic, beta; D011433:Propranolol; D008790:Metoprolol