title: Gravity-dependent peripheral airway closure in left heart failure.
mesh_terms: D000367:Age Factors; D000402:Airway Obstruction / Q000503:physiopathology; D001249:Asthma / Q000503:physiopathology*; D001993:Bronchodilator Agents / Q000494:pharmacology; D006112:Gravitation; D006333:Heart Failure / Q000503:physiopathology*; D006801:Humans; D008168:Lung / Q000187:drug effects / Q000503:physiopathology*; D011187:Posture; D011868:Radioisotopes; D013147:Spirometry; D014978:Xenon
chemical_list: D001993:Bronchodilator Agents; D011868:Radioisotopes; D014978:Xenon