Retrograde lung scanning. Its contribution to the study of collateral systemic flow to the lung.
D000293:Adolescent; D000328:Adult; D001027:Aortography; D003097:Collateral Circulation; D005260:Female; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis; D011652:Pulmonary Circulation; D011877:Radionuclide Imaging