title: A comparison of oral metoprolol and propranolol in patients with chronic bronchitis.
abstract: A double-blind study of oral metoprolol and propranolol in nine patients with chronic bronchitis (Medical Research Council definition) showed no appreciable deterioration in lung function or significant differences between the two drugs.
mesh_terms: D000284:Administration, Oral; D001991:Bronchitis / Q000188:drug therapy* / Q000503:physiopathology; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D008790:Metoprolol / Q000008:administration & dosage / Q000627:therapeutic use*; D008875:Middle Aged; D010366:Peak Expiratory Flow Rate; D010919:Placebos; D011412:Propanolamines / Q000627:therapeutic use*; D011433:Propranolol / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D010919:Placebos; D011412:Propanolamines; D011433:Propranolol; D008790:Metoprolol