title: Study of a new oral beta-adrenergic drug, clenbuterol, in patients with chronic bronchitis.
mesh_terms: D000368:Aged; D001991:Bronchitis / Q000188:drug therapy* / Q000378:metabolism / Q000503:physiopathology; D001993:Bronchodilator Agents; D002908:Chronic Disease; D002976:Clenbuterol / Q000009:adverse effects / Q000494:pharmacology / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004983:Ethanolamines / Q000627:therapeutic use*; D006439:Hemodynamics / Q000187:drug effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D012119:Respiration; D013997:Time Factors
chemical_list: D001993:Bronchodilator Agents; D004983:Ethanolamines; D002976:Clenbuterol