title: Letter: Pulsus paradoxus in asthma.
mesh_terms: D000402:Airway Obstruction / Q000503:physiopathology; D001249:Asthma / Q000150:complications / Q000503:physiopathology*; D006801:Humans; D008297:Male; D011009:Pneumoconiosis / Q000150:complications; D011656:Pulmonary Emphysema / Q000503:physiopathology; D011658:Pulmonary Fibrosis / Q000150:complications; D011674:Pulse