title: Intrathoracic pressure variations and pulmonary artery pressure in patients with chronic obstructive lung disease.
mesh_terms: D000328:Adult; D001794:Blood Pressure; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology / Q000503:physiopathology; D008168:Lung / Q000503:physiopathology; D008170:Lung Compliance; D008173:Lung Diseases, Obstructive / Q000150:complications / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D011312:Pressure; D011651:Pulmonary Artery; D011652:Pulmonary Circulation; D013909:Thorax; D014939:Work of Breathing