Regional distribution of perfusion and ventilation in pulmonary hypertensive vascular disease.
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000000981:diagnostic imaging / Q000209:etiology* / Q000503:physiopathology; D008875:Middle Aged; D011877:Radionuclide Imaging; D014652:Vascular Diseases / Q000150:complications* / Q000000981:diagnostic imaging / Q000503:physiopathology; D014692:Ventilation-Perfusion Ratio